Knebworth Circular Walk

Knebworth Hall, pretty Hertfordshire Villages, undulating woodland and fields

Hiking weather forecast

Hertfordshire hourly weather (Visual Crossing)

Sunset: 20:07. Dusk: 20:43. Dark: 21:30. Moon 51% (03:41 to dawn)

Updated: Sun, 20-Apr at 05:39

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Mon, 21 Apr 0% 0% 42% 42% 42% 42% 42% 42% 84% 84% 84% 84% 84% 84% 13% 13%
Tue, 22 Apr 3% 3% 10% 10% 10% 10% 10% 10% 29% 29% 29% 29% 29% 29% 13% 13%
Wed, 23 Apr 42% 42% 52% 52% 52% 52% 52% 52% 55% 55% 55% 55% 55% 55% 0% 0%
Thu, 24 Apr 3% 3% 7% 7% 7% 7% 7% 7% 36% 36% 36% 36% 36% 36% 3% 3%
Fri, 25 Apr 7% 7% 26% 26% 26% 26% 26% 26% 45% 45% 45% 45% 45% 45% 13% 13%
Sat, 26 Apr 16% 16% 32% 32% 32% 32% 32% 32% 45% 45% 45% 45% 45% 45% 3% 3%
Sun, 27 Apr 3% 3% 10% 10% 10% 10% 10% 10% 19% 19% 19% 19% 19% 19% 0% 0%
Mon, 28 Apr 0% 0% 3% 3% 3% 3% 3% 3% 13% 13% 13% 13% 13% 13% 10% 10%
Tue, 29 Apr 7% 7% 16% 16% 16% 16% 16% 16% 23% 23% 23% 23% 23% 23% 7% 7%
Wed, 30 Apr 7% 7% 10% 10% 10% 10% 10% 10% 16% 16% 16% 16% 16% 16% 3% 3%
Thu, 01 May 3% 3% 7% 7% 7% 7% 7% 7% 13% 13% 13% 13% 13% 13% 10% 10%
Fri, 02 May 7% 7% 13% 13% 13% 13% 13% 13% 26% 26% 26% 26% 26% 26% 7% 7%
Sat, 03 May 10% 10% 19% 19% 19% 19% 19% 19% 45% 45% 45% 45% 45% 45% 3% 3%
Sun, 04 May 7% 7% 19% 19% 19% 19% 19% 19% 32% 32% 32% 32% 32% 32% 3% 3%

Percentages are the chance of rain.

Weather data by Visual Crossing

Hertfordshire hourly weather (Open Meteo)

Sunset: 20:07. Dusk: 20:43. Dark: 21:30. Moon 51% (03:41 to dawn)

Updated: Sun, 20-Apr at 05:36

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 3% 3% 0% 0% 0% 0% 0% 0% 0% 0% 3% 3% 3% 5% 10% 13%
Mon, 21 Apr 0% 3% 0% 5% 8% 8% 5% 18% 25% 43% 40% 55% 43% 35% 20% 23%
Tue, 22 Apr 0% 0% 1% 2% 3% 5% 8% 10% 12% 13% 13% 12% 10% 8% 7% 6%
Wed, 23 Apr 25% 28% 29% 29% 28% 27% 26% 25% 25% 25% 25% 25% 24% 23% 21% 19%
Thu, 24 Apr 1% 0% 0% 0% 1% 2% 2% 3% 3% 4% 5% 5% 5% 5% 5% 4%
Fri, 25 Apr 0% 0% 0% 0% 0% 0% 0% 0% 0% 1% 1% 1% 2% 2% 3% 3%
Sat, 26 Apr 8% 8% 9% 9% 10% 10% 10% 10% 10% 9% 9% 8% 7% 7% 6% 5%
Sun, 27 Apr 3% 4% 4% 4% 4% 5% 5% 5% 12% 14% 16% 17% 17% 16% 11% 5%
Mon, 28 Apr 2% 3% 3% 3% 3% 3% 3% 3% 2% 0% 0% 4% 10% 13% 12% 8%
Tue, 29 Apr 6% 6% 6% 5% 6% 8% 10% 13% 16% 18% 19% 17% 15% 13% 13% 13%
Wed, 30 Apr 6% 6% 7% 7% 8% 9% 9% 10% 11% 13% 14% 15% 16% 16% 15% 14%
Thu, 01 May 3% 3% 3% 4% 4% 5% 5% 6% 7% 9% 10% 11% 12% 13% 13% 13%
Fri, 02 May 6% 6% 6% 7% 8% 9% 11% 13% 16% 18% 21% 23% 25% 26% 24% 21%
Sat, 03 May 9% 10% 11% 12% 13% 14% 16% 19% 24% 30% 35% 40% 44% 45% 41% 33%
Sun, 04 May 4% 6% 8% 10% 12% 14% 16% 19% 22% 25% 28% 30% 32% 32% 29% 23%
Mon, 05 May 5% 6% 6% 5% 4% 4% 4% 6% 11% 17% 23% 30% 36% 39% 35% 28%

Percentages are the chance of rain.

Weather data by Open-Meteo

Hertfordshire hourly weather (Met Office)

Sunset: 20:07. Dusk: 20:43. Dark: 21:30. Moon 51% (03:41 to dawn)

Updated: Sun, 20-Apr at 05:00

06 09 12 15 18 21
Today 7% 4% 1% 4% 6% 14%
Mon, 21 Apr 9% 6% 17% 55% 12% 3%
Tue, 22 Apr 4% 4% 9% 11% 10% 6%
Wed, 23 Apr 21% 17% 15% 12% 6% 1%
Thu, 24 Apr 8% 4% 6% 7% 5% 2%
Fri, 25 Apr 4% 7% 5% 6% 8% 3%
Sat, 26 Apr 5% 7% 7% 8% 4% 2%

Percentages are the chance of rain.

Weather data by Met Office

Regional weather (Met Office)

Sunset: 20:07. Dusk: 20:43. Dark: 21:30. Moon 51% (03:41 to dawn)

Updated: Sun, 20-Apr at 05:38

East England

Fine start to Easter Sunday, but turning cloudier later.

  • Mostly fine start to Easter Sunday with early cloud break to sunny spells
  • However a band of thicker cloud will spread northwest from late morning, with any sunny spells turning hazy at times
  • The odd shower cannot be rule out
  • Maximum Temperature 16C

Tonight:

  • A mixture of cloudier skies and some clearer spells through the evening, along with an isolated shower or two
  • Cloud likely thickening by midnight, with further showers possible by dawn
  • Minimum Temperature 7C

Monday:

  • Cloudy morning, breaking to give some brief sunny spells
  • However further cloud soon moving east and thickening, followed by scattered showers, perhaps heavy at times
  • Feeling warm in any sunshine
  • Maximum Temperature 18C

Outlook for Tuesday to Thursday:

  • Chilly start Tuesday, followed by sunny spells and occasional showers
  • Rain overnight, perhaps heavy, clearing to further sunshine and showers Wednesday
  • Fine Thursday, with more isolated showers
  • Temperatures near normal

UK Day 6-7 and week 2

  • Mainly dry across the UK at the start of this period
  • Some light rain or showers are possible across southern and western areas, but other regions will be brighter with spells of sunshine
  • Into the weekend, this is likely to be little change with most areas fine and dry
  • Parts of the west and southwest are likely to be cloudier with a risk of some patchy rain or drizzle
  • Into the final days of April and start of May, high pressure is likely to be the dominant weather pattern
  • Fine and dry weather is expected for the majority of the UK with periods of sunshine
  • Winds are likely to be light with temperatures close to or slightly above normal

UK Week 3 and 4

  • Often fine and dry across the UK in early May with high pressure patterns expected to dominate
  • Toward the middle of the month, there is an increasing chance of showers or longer spells of rain developing
  • Temperatures are expected to be close to or slightly above average

Weather data by Met Office

Hertfordshire Air Quality (Pollen and UV)

Updated: Sun, 20-Apr at 05:36

Key : Low Medium High Very High

00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Today air q     birch   air q     birch   air q UV   birch   air q UV   birch   air q UV   birch   air q UV alder birch   air q UV alder birch grass air q UV   birch   air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q   alder birch grass air q   alder birch grass air q   alder birch grass air q   alder birch grass
Mon, 21 Apr air q   alder birch grass air q   alder birch grass air q   alder birch grass air q   alder birch grass air q   alder birch grass air q   alder birch grass air q   alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV alder birch grass air q UV   birch   air q UV alder birch   air q     birch   air q     birch   air q     birch   air q     birch  
Tue, 22 Apr air q     birch   air q   alder birch   air q     birch   air q     birch   air q         air q         air q         air q UV       air q UV       air q UV   birch   air q UV   birch   air q UV   birch   air q UV   birch   air q UV   birch   air q UV   birch   air q UV   birch   air q UV   birch   air q UV   birch   air q UV   birch   air q UV   birch   air q     birch   air q     birch grass air q     birch grass air q     birch  
Wed, 23 Apr air q   alder birch   air q   alder birch   air q         air q         air q         air q         air q UV       air q UV       air q UV       air q UV       air q UV       air q UV       air q UV       air q UV       air q UV       air q UV       air q UV       air q UV       air q UV       air q UV       air q         air q         air q         air q        

Pollens

These pollens are shown (in season):

  • Grass
  • Alder and birch (trees)
  • Mugwort and Ragweed (weeds)

When out walking, wraparound glasses, a disposable or washable facemask, and being at the front of the group, all help.

Other forecasts: Met Office, University of Worcester

UV and Air Quality

The UV forecast takes account of cloud cover.

"Air Q", the European Air Quality index, is a mix of dust/particulates, ozone, sulphur and nitrous oxides

Data

Weather data by Open-Meteo and CAMS ENSEMBLE

Hertfordshire Visibility

Updated: Sun, 20-Apr at 05:36

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 21km 18km 22km 32km 46km 57km 66km 70km 70km 71km 71km 65km 68km 68km 62km 47km
Mon, 21 Apr 7km 5km 6km 20km 34km 51km 64km 70km 73km 65km 54km 45km 44km 45km 39km 36km
Tue, 22 Apr 10km 10km 14km 27km 46km 58km 66km 72km 74km 75km 77km 77km 77km 77km 76km 72km
Wed, 23 Apr 11km 15km 18km 22km 26km 39km 52km 64km 68km 71km 75km 75km 76km 76km 72km 67km
Thu, 24 Apr 5km 2km 17km 31km 46km 55km 64km 73km 74km 75km 76km 75km 75km 75km 61km 48km

Visibility in km. Above 50km is 'good'. Humidity and air pollution make it worse. Theoretical maximum is 300km/200 miles in clean dry polar air.

On the South Downs, at ~ 170m/500ft, the horizon is is ~ 45km/30 miles away. On a mountain at 1,000m/3,000ft, it is ~ 160km/100 miles away. Formula: horizon in km = √ (13 x altitude in m)

Weather data by Open-Meteo

Hertfordshire daylight

Date Light Dawn Sunrise Max Ht. Sunset Dusk Dark Day Length
Sun, 20-Apr 04:31 05:17 05:53 12:59 20:07 20:43 21:30 15:26
Mon, 21-Apr 04:28 05:14 05:51 12:59 20:08 20:45 21:32 15:30
Tue, 22-Apr 04:26 05:12 05:49 12:59 20:10 20:47 21:34 15:34
Wed, 23-Apr 04:23 05:10 05:47 12:59 20:12 20:49 21:36 15:39
Thu, 24-Apr 04:20 05:08 05:45 12:59 20:13 20:51 21:38 15:43
Fri, 25-Apr 04:18 05:05 05:43 12:58 20:15 20:53 21:41 15:47
Sat, 26-Apr 04:15 05:03 05:41 12:58 20:17 20:55 21:43 15:51
Sun, 27-Apr 04:13 05:01 05:39 12:58 20:18 20:56 21:45 15:55
Mon, 28-Apr 04:10 04:59 05:37 12:58 20:20 20:58 21:48 15:59
Tue, 29-Apr 04:08 04:57 05:35 12:58 20:22 21:00 21:50 16:03
Wed, 30-Apr 04:05 04:55 05:33 12:58 20:23 21:02 21:52 16:07
Thu, 01-May 04:02 04:52 05:31 12:58 20:25 21:04 21:54 16:11
Fri, 02-May 04:00 04:50 05:29 12:57 20:27 21:06 21:57 16:15
Sat, 03-May 03:57 04:48 05:27 12:57 20:28 21:08 21:59 16:19
Sun, 04-May 03:55 04:46 05:25 12:57 20:30 21:10 22:02 16:23
Mon, 05-May 03:52 04:44 05:24 12:57 20:32 21:11 22:04 16:27
Tue, 06-May 03:50 04:42 05:22 12:57 20:33 21:13 22:06 16:31
Wed, 07-May 03:47 04:40 05:20 12:57 20:35 21:15 22:09 16:34
Thu, 08-May 03:45 04:38 05:18 12:57 20:37 21:17 22:11 16:38
Fri, 09-May 03:42 04:36 05:17 12:57 20:38 21:19 22:13 16:42
Sat, 10-May 03:40 04:34 05:15 12:57 20:40 21:21 22:16 16:46
Sun, 11-May 03:37 04:32 05:13 12:57 20:41 21:22 22:18 16:50
Mon, 12-May 03:35 04:31 05:12 12:57 20:43 21:24 22:21 16:53
Tue, 13-May 03:33 04:29 05:10 12:57 20:44 21:26 22:23 16:57
Wed, 14-May 03:30 04:27 05:09 12:57 20:46 21:28 22:25 17:00
Thu, 15-May 03:28 04:25 05:07 12:57 20:48 21:30 22:28 17:04
Fri, 16-May 03:25 04:23 05:06 12:57 20:49 21:31 22:30 17:07
Sat, 17-May 03:23 04:22 05:04 12:57 20:51 21:33 22:32 17:11
Sun, 18-May 03:21 04:20 05:03 12:57 20:52 21:35 22:35 17:14
Mon, 19-May 03:19 04:18 05:01 12:57 20:53 21:37 22:37 17:18
Tue, 20-May 03:16 04:17 05:00 12:57 20:55 21:38 22:40 17:21
Wed, 21-May 03:14 04:15 04:59 12:57 20:56 21:40 22:42 17:24
Thu, 22-May 03:12 04:14 04:58 12:57 20:58 21:42 22:44 17:27
Fri, 23-May 03:10 04:12 04:56 12:57 20:59 21:43 22:46 17:30
Sat, 24-May 03:08 04:11 04:55 12:57 21:00 21:45 22:49 17:33
Sun, 25-May 03:06 04:10 04:54 12:57 21:02 21:46 22:51 17:36
Mon, 26-May 03:04 04:08 04:53 12:58 21:03 21:48 22:53 17:39
Tue, 27-May 03:02 04:07 04:52 12:58 21:04 21:49 22:55 17:42
Wed, 28-May 03:00 04:06 04:51 12:58 21:05 21:51 22:58 17:45
Thu, 29-May 02:58 04:04 04:50 12:58 21:07 21:52 23:00 17:47
Fri, 30-May 02:56 04:03 04:49 12:58 21:08 21:54 23:02 17:50
Sat, 31-May 02:54 04:02 04:48 12:58 21:09 21:55 23:04 17:52
Sun, 01-Jun 02:53 04:01 04:47 12:58 21:10 21:56 23:06 17:55
Mon, 02-Jun 02:51 04:00 04:46 12:59 21:11 21:58 23:08 17:57
Tue, 03-Jun 02:49 03:59 04:46 12:59 21:12 21:59 23:10 17:59
Wed, 04-Jun 02:48 03:58 04:45 12:59 21:13 22:00 23:11 18:01
Thu, 05-Jun 02:46 03:58 04:44 12:59 21:14 22:01 23:13 18:03
Fri, 06-Jun 02:45 03:57 04:44 12:59 21:15 22:02 23:15 18:05
Sat, 07-Jun 02:44 03:56 04:43 12:59 21:16 22:03 23:16 18:07
Sun, 08-Jun 02:42 03:55 04:43 13:00 21:17 22:04 23:18 18:08
Mon, 09-Jun 02:41 03:55 04:42 13:00 21:18 22:05 23:19 18:10
Tue, 10-Jun 02:40 03:54 04:42 13:00 21:18 22:06 23:21 18:11
Wed, 11-Jun 02:39 03:54 04:42 13:00 21:19 22:07 23:22 18:13
Thu, 12-Jun 02:39 03:54 04:41 13:00 21:20 22:08 23:23 18:14
Fri, 13-Jun 02:38 03:53 04:41 13:01 21:20 22:08 23:24 18:15
Sat, 14-Jun 02:37 03:53 04:41 13:01 21:21 22:09 23:25 18:16
Sun, 15-Jun 02:37 03:53 04:41 13:01 21:21 22:10 23:26 18:16
Mon, 16-Jun 02:36 03:53 04:41 13:01 21:22 22:10 23:27 18:17
Tue, 17-Jun 02:36 03:53 04:41 13:01 21:22 22:11 23:27 18:18
Wed, 18-Jun 02:36 03:53 04:41 13:02 21:23 22:11 23:28 18:18
Thu, 19-Jun 02:36 03:53 04:41 13:02 21:23 22:11 23:28 18:18
Fri, 20-Jun 02:36 03:53 04:41 13:02 21:23 22:12 23:29 18:18
Sat, 21-Jun 02:36 03:53 04:41 13:02 21:23 22:12 23:29 18:18
Sun, 22-Jun 02:36 03:53 04:42 13:03 21:23 22:12 23:29 18:18
Mon, 23-Jun 02:37 03:53 04:42 13:03 21:24 22:12 23:29 18:18
Tue, 24-Jun 02:37 03:54 04:42 13:03 21:24 22:12 23:29 18:18
Wed, 25-Jun 02:38 03:54 04:43 13:03 21:24 22:12 23:28 18:17
Thu, 26-Jun 02:38 03:55 04:43 13:03 21:24 22:12 23:28 18:17
Fri, 27-Jun 02:39 03:55 04:44 13:04 21:23 22:12 23:27 18:16
Sat, 28-Jun 02:40 03:56 04:44 13:04 21:23 22:11 23:27 18:15
Sun, 29-Jun 02:41 03:57 04:45 13:04 21:23 22:11 23:26 18:14
Mon, 30-Jun 02:42 03:57 04:45 13:04 21:23 22:11 23:25 18:13
Tue, 01-Jul 02:44 03:58 04:46 13:04 21:22 22:10 23:24 18:12
Wed, 02-Jul 02:45 03:59 04:47 13:05 21:22 22:10 23:23 18:10
Thu, 03-Jul 02:46 04:00 04:47 13:05 21:22 22:09 23:22 18:09
Fri, 04-Jul 02:48 04:01 04:48 13:05 21:21 22:08 23:21 18:07
Sat, 05-Jul 02:49 04:02 04:49 13:05 21:21 22:08 23:20 18:05
Sun, 06-Jul 02:51 04:03 04:50 13:05 21:20 22:07 23:18 18:04
Mon, 07-Jul 02:53 04:04 04:51 13:05 21:19 22:06 23:17 18:02
Tue, 08-Jul 02:54 04:05 04:52 13:06 21:19 22:05 23:15 18:00
Wed, 09-Jul 02:56 04:06 04:53 13:06 21:18 22:04 23:14 17:57
Thu, 10-Jul 02:58 04:08 04:54 13:06 21:17 22:03 23:12 17:55
Fri, 11-Jul 03:00 04:09 04:55 13:06 21:16 22:02 23:11 17:53
Sat, 12-Jul 03:02 04:10 04:56 13:06 21:16 22:01 23:09 17:51
Sun, 13-Jul 03:04 04:12 04:57 13:06 21:15 22:00 23:07 17:48
Mon, 14-Jul 03:06 04:13 04:58 13:06 21:14 21:59 23:05 17:45
Tue, 15-Jul 03:08 04:14 05:00 13:07 21:13 21:58 23:03 17:43
Wed, 16-Jul 03:10 04:16 05:01 13:07 21:12 21:56 23:01 17:40
Thu, 17-Jul 03:12 04:17 05:02 13:07 21:11 21:55 22:59 17:37
Fri, 18-Jul 03:15 04:19 05:03 13:07 21:09 21:54 22:57 17:34
Sat, 19-Jul 03:17 04:20 05:05 13:07 21:08 21:52 22:55 17:31
Sun, 20-Jul 03:19 04:22 05:06 13:07 21:07 21:51 22:53 17:28
Mon, 21-Jul 03:21 04:24 05:07 13:07 21:06 21:49 22:51 17:25
Tue, 22-Jul 03:24 04:25 05:09 13:07 21:04 21:48 22:48 17:22
Wed, 23-Jul 03:26 04:27 05:10 13:07 21:03 21:46 22:46 17:19
Thu, 24-Jul 03:28 04:28 05:11 13:07 21:02 21:44 22:44 17:15
Fri, 25-Jul 03:31 04:30 05:13 13:07 21:00 21:43 22:42 17:12
Sat, 26-Jul 03:33 04:32 05:14 13:07 20:59 21:41 22:39 17:09
Sun, 27-Jul 03:35 04:34 05:16 13:07 20:57 21:39 22:37 17:05
Mon, 28-Jul 03:38 04:35 05:17 13:07 20:56 21:38 22:35 17:02
Tue, 29-Jul 03:40 04:37 05:19 13:07 20:54 21:36 22:32 16:58
Wed, 30-Jul 03:42 04:39 05:20 13:07 20:53 21:34 22:30 16:55
Thu, 31-Jul 03:45 04:40 05:22 13:07 20:51 21:32 22:27 16:51
Fri, 01-Aug 03:47 04:42 05:23 13:07 20:49 21:30 22:25 16:47
Sat, 02-Aug 03:49 04:44 05:25 13:07 20:48 21:28 22:22 16:44
Sun, 03-Aug 03:52 04:46 05:26 13:07 20:46 21:26 22:20 16:40
Mon, 04-Aug 03:54 04:48 05:28 13:07 20:44 21:24 22:17 16:36
Tue, 05-Aug 03:56 04:49 05:29 13:06 20:42 21:22 22:15 16:32
Wed, 06-Aug 03:58 04:51 05:31 13:06 20:41 21:20 22:12 16:29
Thu, 07-Aug 04:01 04:53 05:33 13:06 20:39 21:18 22:10 16:25
Fri, 08-Aug 04:03 04:55 05:34 13:06 20:37 21:16 22:07 16:21
Sat, 09-Aug 04:05 04:57 05:36 13:06 20:35 21:14 22:05 16:17
Sun, 10-Aug 04:08 04:58 05:37 13:06 20:33 21:12 22:02 16:13
Mon, 11-Aug 04:10 05:00 05:39 13:06 20:31 21:10 22:00 16:09
Tue, 12-Aug 04:12 05:02 05:41 13:05 20:29 21:08 21:57 16:05
Wed, 13-Aug 04:14 05:04 05:42 13:05 20:27 21:05 21:54 16:01
Thu, 14-Aug 04:17 05:06 05:44 13:05 20:25 21:03 21:52 15:57
Fri, 15-Aug 04:19 05:07 05:45 13:05 20:23 21:01 21:49 15:53
Sat, 16-Aug 04:21 05:09 05:47 13:05 20:21 20:59 21:47 15:49
Sun, 17-Aug 04:23 05:11 05:49 13:04 20:19 20:57 21:44 15:45
Mon, 18-Aug 04:25 05:13 05:50 13:04 20:17 20:54 21:41 15:41
Tue, 19-Aug 04:28 05:15 05:52 13:04 20:15 20:52 21:39 15:37
Wed, 20-Aug 04:30 05:16 05:53 13:04 20:13 20:50 21:36 15:33
Thu, 21-Aug 04:32 05:18 05:55 13:04 20:11 20:48 21:34 15:29
Fri, 22-Aug 04:34 05:20 05:57 13:03 20:09 20:45 21:31 15:25
Sat, 23-Aug 04:36 05:22 05:58 13:03 20:07 20:43 21:28 15:21
Sun, 24-Aug 04:38 05:24 06:00 13:03 20:05 20:41 21:26 15:17
Mon, 25-Aug 04:40 05:25 06:01 13:02 20:02 20:38 21:23 15:13
Tue, 26-Aug 04:42 05:27 06:03 13:02 20:00 20:36 21:21 15:08
Wed, 27-Aug 04:44 05:29 06:05 13:02 19:58 20:34 21:18 15:04
Thu, 28-Aug 04:46 05:31 06:06 13:02 19:56 20:31 21:15 15:00
Fri, 29-Aug 04:48 05:32 06:08 13:01 19:54 20:29 21:13 14:56
Sat, 30-Aug 04:50 05:34 06:10 13:01 19:51 20:27 21:10 14:52
Sun, 31-Aug 04:52 05:36 06:11 13:01 19:49 20:24 21:07 14:48
Mon, 01-Sep 04:54 05:38 06:13 13:00 19:47 20:22 21:05 14:44
Tue, 02-Sep 04:56 05:39 06:14 13:00 19:45 20:20 21:02 14:40
Wed, 03-Sep 04:58 05:41 06:16 13:00 19:42 20:17 21:00 14:36
Thu, 04-Sep 05:00 05:43 06:18 12:59 19:40 20:15 20:57 14:31
Fri, 05-Sep 05:02 05:45 06:19 12:59 19:38 20:12 20:54 14:27
Sat, 06-Sep 05:04 05:46 06:21 12:59 19:36 20:10 20:52 14:23
Sun, 07-Sep 05:06 05:48 06:22 12:58 19:33 20:08 20:49 14:19
Mon, 08-Sep 05:08 05:50 06:24 12:58 19:31 20:05 20:47 14:15
Tue, 09-Sep 05:10 05:51 06:26 12:58 19:29 20:03 20:44 14:11
Wed, 10-Sep 05:12 05:53 06:27 12:57 19:26 20:00 20:42 14:07
Thu, 11-Sep 05:14 05:55 06:29 12:57 19:24 19:58 20:39 14:03
Fri, 12-Sep 05:15 05:56 06:31 12:57 19:22 19:56 20:37 13:59
Sat, 13-Sep 05:17 05:58 06:32 12:56 19:19 19:53 20:34 13:55
Sun, 14-Sep 05:19 06:00 06:34 12:56 19:17 19:51 20:31 13:51
Mon, 15-Sep 05:21 06:01 06:35 12:56 19:15 19:49 20:29 13:47
Tue, 16-Sep 05:23 06:03 06:37 12:55 19:12 19:46 20:26 13:42
Wed, 17-Sep 05:24 06:05 06:39 12:55 19:10 19:44 20:24 13:38
Thu, 18-Sep 05:26 06:06 06:40 12:55 19:08 19:41 20:21 13:34
Fri, 19-Sep 05:28 06:08 06:42 12:54 19:05 19:39 20:19 13:30
Sat, 20-Sep 05:30 06:10 06:43 12:54 19:03 19:37 20:16 13:26
Sun, 21-Sep 05:32 06:11 06:45 12:53 19:01 19:34 20:14 13:22
Mon, 22-Sep 05:33 06:13 06:47 12:53 18:58 19:32 20:12 13:18
Tue, 23-Sep 05:35 06:15 06:48 12:53 18:56 19:30 20:09 13:14
Wed, 24-Sep 05:37 06:16 06:50 12:52 18:54 19:27 20:07 13:10
Thu, 25-Sep 05:39 06:18 06:52 12:52 18:51 19:25 20:04 13:06
Fri, 26-Sep 05:40 06:20 06:53 12:52 18:49 19:23 20:02 13:02
Sat, 27-Sep 05:42 06:21 06:55 12:51 18:47 19:20 19:59 12:58
Sun, 28-Sep 05:44 06:23 06:57 12:51 18:45 19:18 19:57 12:54
Mon, 29-Sep 05:46 06:25 06:58 12:51 18:42 19:16 19:55 12:50
Tue, 30-Sep 05:47 06:26 07:00 12:50 18:40 19:13 19:52 12:46
Wed, 01-Oct 05:49 06:28 07:02 12:50 18:38 19:11 19:50 12:42
Thu, 02-Oct 05:51 06:30 07:03 12:50 18:35 19:09 19:48 12:39
Fri, 03-Oct 05:52 06:31 07:05 12:49 18:33 19:06 19:45 12:35
Sat, 04-Oct 05:54 06:33 07:07 12:49 18:31 19:04 19:43 12:31
Sun, 05-Oct 05:56 06:35 07:08 12:49 18:28 19:02 19:41 12:27
Mon, 06-Oct 05:57 06:36 07:10 12:49 18:26 19:00 19:39 12:23
Tue, 07-Oct 05:59 06:38 07:12 12:48 18:24 18:57 19:36 12:19
Wed, 08-Oct 06:01 06:40 07:13 12:48 18:22 18:55 19:34 12:15
Thu, 09-Oct 06:02 06:41 07:15 12:48 18:19 18:53 19:32 12:11
Fri, 10-Oct 06:04 06:43 07:17 12:47 18:17 18:51 19:30 12:07
Sat, 11-Oct 06:06 06:45 07:18 12:47 18:15 18:49 19:28 12:04
Sun, 12-Oct 06:07 06:46 07:20 12:47 18:13 18:47 19:25 12:00
Mon, 13-Oct 06:09 06:48 07:22 12:47 18:11 18:44 19:23 11:56
Tue, 14-Oct 06:11 06:50 07:23 12:46 18:08 18:42 19:21 11:52
Wed, 15-Oct 06:12 06:51 07:25 12:46 18:06 18:40 19:19 11:49
Thu, 16-Oct 06:14 06:53 07:27 12:46 18:04 18:38 19:17 11:45

Notes

  • Max Height (solar noon) is when the sun is highest in the sky.
  • Day length is dawn to dusk as there is enough light for walking for at least 30 minutes before sunrise and after sunset, even on an overcast day.
  • At 'Light' (nautical dawn) the horizon becomes visible. At 'Dawn' (civil dawn) there is enough light to read, and drivers can switch their lights off. Finally the sun rises.
  • After sunset, there is still enough light to read until 'Dusk' (civil dusk) or lighting up time for drivers. The horizon is still visible until 'Dark' (nautical dusk).
  • Times will vary if there is a hill on the horizon.

Hertfordshire moonlight

Moonlight chart for walking at night.

Night of Sunset Dusk Moon Visible Dawn Sunrise Phase % Full Max. Ht. Night Walk
Sun, 20-Apr 20:07 20:43 03:41 dawn 05:14 05:51 51 % 07:31
Mon, 21-Apr 20:08 20:45 04:02 dawn 05:12 05:49 41 % 08:23
Tue, 22-Apr 20:10 20:47 04:18 dawn 05:10 05:47 30 % 09:12
Wed, 23-Apr 20:12 20:49 04:31 dawn 05:08 05:45 20 % 10:01
Thu, 24-Apr 20:13 20:51 04:43 dawn 05:05 05:43 12 % 10:51
Fri, 25-Apr 20:15 20:53 04:56 dawn 05:03 05:41 5 % 11:42
Sat, 26-Apr 20:17 20:55 05:01 05:39 1 %
Sun, 27-Apr 20:18 20:56 04:59 05:37 0 % 12:36
Mon, 28-Apr 20:20 20:58 dusk 22:03 04:57 05:35 2 % 13:33
Tue, 29-Apr 20:22 21:00 dusk 23:37 04:55 05:33 7 % 14:35
Wed, 30-Apr 20:23 21:02 dusk 00:57 04:52 05:31 14 % 15:39
Thu, 01-May 20:25 21:04 dusk 01:56 04:50 05:29 23 % 16:43
Fri, 02-May 20:27 21:06 dusk 02:34 04:48 05:27 33 % 17:44
Sat, 03-May 20:28 21:08 dusk 03:00 04:46 05:25 44 % 18:40
Sun, 04-May 20:30 21:10 dusk 03:18 04:44 05:24 54 % 19:30
Mon, 05-May 20:32 21:11 dusk 03:31 04:42 05:22 64 % 20:16
Tue, 06-May 20:33 21:13 dusk 03:41 04:40 05:20 73 % 20:58
Wed, 07-May 20:35 21:15 dusk 03:51 04:38 05:18 81 % 21:38 after dusk
Thu, 08-May 20:37 21:17 dusk 04:00 04:36 05:17 88 % 22:17 after dusk
Fri, 09-May 20:38 21:19 dusk 04:09 04:34 05:15 93 % 22:56 after dusk
Sat, 10-May 20:40 21:21 dusk 04:21 04:32 05:13 97 % 23:37 after dusk
Sun, 11-May 20:41 21:22 dusk dawn 04:31 05:12 99 % 00:20 all night
Mon, 12-May 20:43 21:24 dusk dawn 04:29 05:10 100 % 01:06 all night
Tue, 13-May 20:44 21:26 22:23 dawn 04:27 05:09 98 % 01:55 before dawn
Wed, 14-May 20:46 21:28 23:31 dawn 04:25 05:07 95 % 02:46 before dawn
Thu, 15-May 20:48 21:30 00:28 dawn 04:23 05:06 90 % 03:40 before dawn
Fri, 16-May 20:49 21:31 01:12 dawn 04:22 05:04 84 % 04:34 before dawn
Sat, 17-May 20:51 21:33 01:44 dawn 04:20 05:03 76 % 05:26 before dawn
Sun, 18-May 20:52 21:35 02:07 dawn 04:18 05:01 66 % 06:17
Mon, 19-May 20:53 21:37 02:24 dawn 04:17 05:00 56 % 07:06
Tue, 20-May 20:55 21:38 02:37 dawn 04:15 04:59 45 % 07:54
Wed, 21-May 20:56 21:40 02:49 dawn 04:14 04:58 34 % 08:41
Thu, 22-May 20:58 21:42 03:01 dawn 04:12 04:56 24 % 09:29
Fri, 23-May 20:59 21:43 03:14 dawn 04:11 04:55 14 % 10:20
Sat, 24-May 21:00 21:45 03:30 dawn 04:10 04:54 7 % 11:15
Sun, 25-May 21:02 21:46 04:08 04:53 2 %
Mon, 26-May 21:03 21:48 04:07 04:52 0 % 12:14
Tue, 27-May 21:04 21:49 dusk 22:29 04:06 04:51 1 % 13:18
Wed, 28-May 21:05 21:51 dusk 23:40 04:04 04:50 5 % 14:23
Thu, 29-May 21:07 21:52 dusk 00:29 04:03 04:49 11 % 15:28
Fri, 30-May 21:08 21:54 dusk 01:00 04:02 04:48 19 % 16:28
Sat, 31-May 21:09 21:55 dusk 01:22 04:01 04:47 28 % 17:22
Sun, 01-Jun 21:10 21:56 dusk 01:37 04:00 04:46 38 % 18:10
Mon, 02-Jun 21:11 21:58 dusk 01:48 03:59 04:46 48 % 18:55
Tue, 03-Jun 21:12 21:59 dusk 01:58 03:58 04:45 58 % 19:36
Wed, 04-Jun 21:13 22:00 dusk 02:08 03:58 04:44 67 % 20:16
Thu, 05-Jun 21:14 22:01 dusk 02:17 03:57 04:44 76 % 20:55 after dusk
Fri, 06-Jun 21:15 22:02 dusk 02:28 03:56 04:43 83 % 21:35 after dusk
Sat, 07-Jun 21:16 22:03 dusk 02:41 03:55 04:43 90 % 22:17 after dusk
Sun, 08-Jun 21:17 22:04 dusk 02:59 03:55 04:42 95 % 23:02 after dusk
Mon, 09-Jun 21:18 22:05 dusk 03:23 03:54 04:42 98 % 23:50 after dusk
Tue, 10-Jun 21:18 22:06 dusk dawn 03:54 04:42 100 % 00:41 all night
Wed, 11-Jun 21:19 22:07 22:23 dawn 03:54 04:41 99 % 01:35 before dawn
Thu, 12-Jun 21:20 22:08 23:11 dawn 03:53 04:41 97 % 02:29 before dawn
Fri, 13-Jun 21:20 22:08 23:47 dawn 03:53 04:41 93 % 03:23 before dawn
Sat, 14-Jun 21:21 22:09 00:12 dawn 03:53 04:41 87 % 04:14 before dawn
Sun, 15-Jun 21:21 22:10 00:30 dawn 03:53 04:41 79 % 05:04 before dawn
Mon, 16-Jun 21:22 22:10 00:44 dawn 03:53 04:41 70 % 05:51
Tue, 17-Jun 21:22 22:11 00:56 dawn 03:53 04:41 60 % 06:37
Wed, 18-Jun 21:23 22:11 01:08 dawn 03:53 04:41 48 % 07:23
Thu, 19-Jun 21:23 22:11 01:20 dawn 03:53 04:41 37 % 08:11
Fri, 20-Jun 21:23 22:12 01:34 dawn 03:53 04:41 26 % 09:03
Sat, 21-Jun 21:23 22:12 01:52 dawn 03:53 04:42 17 % 09:58
Sun, 22-Jun 21:23 22:12 02:17 dawn 03:53 04:42 9 % 10:59
Mon, 23-Jun 21:24 22:12 03:54 04:42 3 %
Tue, 24-Jun 21:24 22:12 03:51 dawn 03:54 04:43 1 % 12:03
Wed, 25-Jun 21:24 22:12 dusk 22:18 03:55 04:43 1 % 13:08
Thu, 26-Jun 21:24 22:12 dusk 22:57 03:55 04:44 3 % 14:11
Fri, 27-Jun 21:23 22:12 dusk 23:23 03:56 04:44 8 % 15:08
Sat, 28-Jun 21:23 22:11 dusk 23:41 03:57 04:45 15 % 16:01
Sun, 29-Jun 21:23 22:11 dusk 23:54 03:57 04:45 23 % 16:48
Mon, 30-Jun 21:23 22:11 dusk 00:05 03:58 04:46 32 % 17:31
Tue, 01-Jul 21:22 22:10 dusk 00:15 03:59 04:47 42 % 18:12
Wed, 02-Jul 21:22 22:10 dusk 00:24 04:00 04:47 52 % 18:52
Thu, 03-Jul 21:22 22:09 dusk 00:35 04:01 04:48 61 % 19:32
Fri, 04-Jul 21:21 22:08 dusk 00:47 04:02 04:49 70 % 20:13
Sat, 05-Jul 21:21 22:08 dusk 01:03 04:03 04:50 78 % 20:57 after dusk
Sun, 06-Jul 21:20 22:07 dusk 01:24 04:04 04:51 85 % 21:44 after dusk
Mon, 07-Jul 21:19 22:06 dusk 01:55 04:05 04:52 92 % 22:34 after dusk
Tue, 08-Jul 21:19 22:05 dusk 02:39 04:06 04:53 96 % 23:27 after dusk
Wed, 09-Jul 21:18 22:04 dusk 03:39 04:08 04:54 99 % 00:22 after dusk
Thu, 10-Jul 21:17 22:03 dusk dawn 04:09 04:55 100 % 01:17 all night
Fri, 11-Jul 21:16 22:02 22:16 dawn 04:10 04:56 99 % 02:10 before dawn
Sat, 12-Jul 21:16 22:01 22:36 dawn 04:12 04:57 95 % 03:00 before dawn
Sun, 13-Jul 21:15 22:00 22:52 dawn 04:13 04:58 90 % 03:49 before dawn
Mon, 14-Jul 21:14 21:59 23:04 dawn 04:14 05:00 82 % 04:35 before dawn
Tue, 15-Jul 21:13 21:58 23:16 dawn 04:16 05:01 73 % 05:22
Wed, 16-Jul 21:12 21:56 23:27 dawn 04:17 05:02 62 % 06:09
Thu, 17-Jul 21:11 21:55 23:40 dawn 04:19 05:03 51 % 06:58
Fri, 18-Jul 21:09 21:54 23:56 dawn 04:20 05:05 39 % 07:50
Sat, 19-Jul 21:08 21:52 00:17 dawn 04:22 05:06 29 % 08:47
Sun, 20-Jul 21:07 21:51 00:49 dawn 04:24 05:07 19 % 09:48
Mon, 21-Jul 21:06 21:49 01:36 dawn 04:25 05:09 11 % 10:52
Tue, 22-Jul 21:04 21:48 02:43 dawn 04:27 05:10 5 % 11:55
Wed, 23-Jul 21:03 21:46 04:28 05:11 1 %
Thu, 24-Jul 21:02 21:44 04:30 05:13 0 % 12:54
Fri, 25-Jul 21:00 21:43 dusk 21:45 04:32 05:14 2 % 13:49
Sat, 26-Jul 20:59 21:41 dusk 22:00 04:34 05:16 5 % 14:38
Sun, 27-Jul 20:57 21:39 dusk 22:12 04:35 05:17 11 % 15:24
Mon, 28-Jul 20:56 21:38 dusk 22:22 04:37 05:19 18 % 16:06
Tue, 29-Jul 20:54 21:36 dusk 22:31 04:39 05:20 26 % 16:47
Wed, 30-Jul 20:53 21:34 dusk 22:41 04:40 05:22 35 % 17:27
Thu, 31-Jul 20:51 21:32 dusk 22:53 04:42 05:23 45 % 18:08
Fri, 01-Aug 20:49 21:30 dusk 23:07 04:44 05:25 54 % 18:51
Sat, 02-Aug 20:48 21:28 dusk 23:26 04:46 05:26 64 % 19:37
Sun, 03-Aug 20:46 21:26 dusk 23:52 04:48 05:28 72 % 20:26
Mon, 04-Aug 20:44 21:24 dusk 00:30 04:49 05:29 81 % 21:17 after dusk
Tue, 05-Aug 20:42 21:22 dusk 01:24 04:51 05:31 88 % 22:11 after dusk
Wed, 06-Aug 20:41 21:20 dusk 02:32 04:53 05:33 94 % 23:06 after dusk
Thu, 07-Aug 20:39 21:18 dusk 03:52 04:55 05:34 98 % 00:01 after dusk
Fri, 08-Aug 20:37 21:16 dusk dawn 04:57 05:36 100 % 00:53 all night
Sat, 09-Aug 20:35 21:14 dusk dawn 04:58 05:37 99 % 01:43 all night
Sun, 10-Aug 20:33 21:12 dusk dawn 05:00 05:39 97 % 02:31 all night
Mon, 11-Aug 20:31 21:10 21:24 dawn 05:02 05:41 92 % 03:19 before dawn
Tue, 12-Aug 20:29 21:08 21:35 dawn 05:04 05:42 84 % 04:06 before dawn
Wed, 13-Aug 20:27 21:05 21:47 dawn 05:06 05:44 75 % 04:55 before dawn
Thu, 14-Aug 20:25 21:03 22:02 dawn 05:07 05:45 64 % 05:47
Fri, 15-Aug 20:23 21:01 22:22 dawn 05:09 05:47 53 % 06:42
Sat, 16-Aug 20:21 20:59 22:49 dawn 05:11 05:49 42 % 07:41
Sun, 17-Aug 20:19 20:57 23:30 dawn 05:13 05:50 31 % 08:43
Mon, 18-Aug 20:17 20:54 00:28 dawn 05:15 05:52 21 % 09:44
Tue, 19-Aug 20:15 20:52 01:44 dawn 05:16 05:53 12 % 10:44
Wed, 20-Aug 20:13 20:50 03:08 dawn 05:18 05:55 6 % 11:39
Thu, 21-Aug 20:11 20:48 05:20 05:57 2 %
Fri, 22-Aug 20:09 20:45 05:22 05:58 0 % 12:30
Sat, 23-Aug 20:07 20:43 05:24 06:00 1 % 13:17
Sun, 24-Aug 20:05 20:41 05:25 06:01 3 % 14:00
Mon, 25-Aug 20:02 20:38 dusk 20:39 05:27 06:03 7 % 14:42
Tue, 26-Aug 20:00 20:36 dusk 20:49 05:29 06:05 13 % 15:22
Wed, 27-Aug 19:58 20:34 dusk 20:59 05:31 06:06 21 % 16:03
Thu, 28-Aug 19:56 20:31 dusk 21:12 05:32 06:08 29 % 16:46
Fri, 29-Aug 19:54 20:29 dusk 21:29 05:34 06:10 38 % 17:30
Sat, 30-Aug 19:51 20:27 dusk 21:51 05:36 06:11 47 % 18:17
Sun, 31-Aug 19:49 20:24 dusk 22:24 05:38 06:13 57 % 19:07
Mon, 01-Sep 19:47 20:22 dusk 23:10 05:39 06:14 66 % 20:00
Tue, 02-Sep 19:45 20:20 dusk 00:11 05:41 06:16 75 % 20:54 after dusk
Wed, 03-Sep 19:42 20:17 dusk 01:26 05:43 06:18 83 % 21:48 after dusk
Thu, 04-Sep 19:40 20:15 dusk 02:49 05:45 06:19 91 % 22:41 after dusk
Fri, 05-Sep 19:38 20:12 dusk 04:15 05:46 06:21 96 % 23:32 after dusk
Sat, 06-Sep 19:36 20:10 dusk 05:41 05:48 06:22 99 % 00:22 after dusk
Sun, 07-Sep 19:33 20:08 dusk dawn 05:50 06:24 100 % 01:10 all night
Mon, 08-Sep 19:31 20:05 dusk dawn 05:51 06:26 98 % 01:59 all night
Tue, 09-Sep 19:29 20:03 dusk dawn 05:53 06:27 93 % 02:49 all night
Wed, 10-Sep 19:26 20:00 20:09 dawn 05:55 06:29 86 % 03:41 before dawn
Thu, 11-Sep 19:24 19:58 20:27 dawn 05:56 06:31 77 % 04:36 before dawn
Fri, 12-Sep 19:22 19:56 20:52 dawn 05:58 06:32 67 % 05:35
Sat, 13-Sep 19:19 19:53 21:28 dawn 06:00 06:34 56 % 06:37
Sun, 14-Sep 19:17 19:51 22:21 dawn 06:01 06:35 44 % 07:39
Mon, 15-Sep 19:15 19:49 23:31 dawn 06:03 06:37 33 % 08:38
Tue, 16-Sep 19:12 19:46 00:52 dawn 06:05 06:39 24 % 09:34
Wed, 17-Sep 19:10 19:44 02:16 dawn 06:06 06:40 15 % 10:26
Thu, 18-Sep 19:08 19:41 03:38 dawn 06:08 06:42 8 % 11:13
Fri, 19-Sep 19:05 19:39 04:57 dawn 06:10 06:43 4 % 11:56
Sat, 20-Sep 19:03 19:37 06:11 06:45 1 %
Sun, 21-Sep 19:01 19:34 06:13 06:47 0 % 12:38
Mon, 22-Sep 18:58 19:32 06:15 06:48 1 % 13:19
Tue, 23-Sep 18:56 19:30 06:16 06:50 4 % 14:00
Wed, 24-Sep 18:54 19:27 06:18 06:52 9 % 14:41
Thu, 25-Sep 18:51 19:25 dusk 19:34 06:20 06:53 15 % 15:25
Fri, 26-Sep 18:49 19:23 dusk 19:54 06:21 06:55 23 % 16:11
Sat, 27-Sep 18:47 19:20 dusk 20:22 06:23 06:57 31 % 17:00
Sun, 28-Sep 18:45 19:18 dusk 21:02 06:25 06:58 40 % 17:51
Mon, 29-Sep 18:42 19:16 dusk 21:56 06:26 07:00 50 % 18:43
Tue, 30-Sep 18:40 19:13 dusk 23:04 06:28 07:02 60 % 19:36
Wed, 01-Oct 18:38 19:11 dusk 00:22 06:30 07:03 69 % 20:29
Thu, 02-Oct 18:35 19:09 dusk 01:45 06:31 07:05 79 % 21:20 after dusk
Fri, 03-Oct 18:33 19:06 dusk 03:10 06:33 07:07 87 % 22:09 after dusk
Sat, 04-Oct 18:31 19:04 dusk 04:36 06:35 07:08 93 % 22:58 after dusk
Sun, 05-Oct 18:28 19:02 dusk 06:03 06:36 07:10 98 % 23:46 after dusk
Mon, 06-Oct 18:26 19:00 dusk dawn 06:38 07:12 100 % 00:36 all night
Tue, 07-Oct 18:24 18:57 dusk dawn 06:40 07:13 99 % 01:28 all night
Wed, 08-Oct 18:22 18:55 dusk dawn 06:41 07:15 95 % 02:24 all night
Thu, 09-Oct 18:19 18:53 18:53 dawn 06:43 07:17 89 % 03:24 before dawn
Fri, 10-Oct 18:17 18:51 19:26 dawn 06:45 07:18 80 % 04:27 before dawn
Sat, 11-Oct 18:15 18:49 20:14 dawn 06:46 07:20 70 % 05:31
Sun, 12-Oct 18:13 18:47 21:21 dawn 06:48 07:22 59 % 06:33
Mon, 13-Oct 18:11 18:44 22:40 dawn 06:50 07:23 48 % 07:30
Tue, 14-Oct 18:08 18:42 00:04 dawn 06:51 07:25 37 % 08:23
Wed, 15-Oct 18:06 18:40 01:27 dawn 06:53 07:27 27 % 09:11
Thu, 16-Oct 18:04 18:38 02:45 dawn 06:55 07:29 19 % 09:55

Notes

  • The percentage of the moon which is illuminated doesn't vary much with location.
  • A full moon is not just bigger, it is much brighter. A quarter moon (1/2 disk visible) give less than 5% of the illumination of a full moon. You can walk with a quarter moon if its high in the sky (after dusk for a growing moon, before dawn for a shrinking moon).
  • Sky glow (light reflected by air or clouds) from nearby cities, and especially snow on the ground also effect light levels.
  • Times will vary a few minutes, as (i) these figures are for the centre of the county the walk is in, (ii) if there are hills on the horizon, and (iii) if you are on a hill
  • Sunlight is ~ 1,000,000 times brighter than moonlight.
  • Of course, you need a cloudless night as well!

Hertfordshire weather (Accuweather)

Now would be a good time for a cup of tea.