The Clydach Gorge (Brynmawr to Abergavenny or vice versa) walk

Wild and dramatic Clydach Gorge: waterfalls, cascades, fast-flowing waters, ancient beechwoods as well as an ironworks' ruins and an elevated railway line

Hiking weather forecast

Brecon Beacons hourly weather (Visual Crossing)

Sunset: 20:29. Dusk: 21:07. Moon: 96% (22:49 to dawn)

Updated: 08:31 on Thu, 25-Apr

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 45% 45% 45% 45% 45% 0% 0% 0% 0% 0% 0% 3% 3%
Fri, 26-Apr 16% 16% 36% 36% 36% 36% 36% 36% 58% 58% 58% 58% 58% 58% 48% 48%
Sat, 27-Apr 🌫 36% 🌫 36% 19% 19% 🌫 19% 🌫 19% 19% 19% 55% 55% 55% 55% 55% 55% 52% 52%
Sun, 28-Apr 65% 65% 74% 74% 74% 74% 74% 74% 68% 68% 68% 68% 68% 68% 13% 13%
Mon, 29-Apr 7% 7% 36% 36% 36% 36% 36% 36% 52% 52% 52% 52% 52% 52% 16% 16%
Tue, 30-Apr 26% 26% 48% 48% 48% 48% 48% 48% 81% 81% 81% 81% 81% 81% 32% 32%
Wed, 01-May 29% 29% 55% 55% 55% 55% 55% 55% 61% 61% 61% 61% 61% 61% 7% 7%
Thu, 02-May 3% 3% 23% 23% 23% 23% 23% 23% 39% 39% 39% 39% 39% 39% 19% 19%
Fri, 03-May 19% 19% 36% 36% 36% 36% 36% 36% 55% 55% 55% 55% 55% 55% 13% 13%
Sat, 04-May 29% 29% 36% 36% 36% 36% 36% 36% 45% 45% 45% 45% 45% 45% 16% 16%
Sun, 05-May 13% 13% 26% 26% 26% 26% 26% 26% 58% 58% 58% 58% 58% 58% 19% 19%
Mon, 06-May 19% 19% 23% 23% 23% 23% 23% 23% 52% 52% 52% 52% 52% 52% 10% 10%
Tue, 07-May 16% 16% 36% 36% 36% 36% 36% 36% 39% 39% 39% 39% 39% 39% 10% 10%
Wed, 08-May 29% 29% 19% 19% 19% 19% 19% 19% 45% 45% 45% 45% 45% 45% 10% 10%
Thu, 09-May 13% 13% 29% 29% 29% 29% 29% 29% 39% 39% 39% 39% 39% 39% 13% 13%

Powered by Visual Crossing Weather

Brecon Beacons hourly weather (Open Meteo)

Sunset: 20:29. Dusk: 21:07. Moon: 96% (22:49 to dawn)

Updated: 08:32 on Thu, 25-Apr

06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
Today 0% 10% 19% 29% 40% 50% 61% 45% 29% 13% 9% 4% 0% 1%
Fri, 26-Apr 12% 17% 23% 27% 31% 35% 37% 40% 42% 44% 46% 48% 49% 51% 52% 48%
Sat, 27-Apr 30% 24% 19% 19% 19% 19% 21% 24% 26% 31% 37% 42% 42% 42% 42% 42%
Sun, 28-Apr 52% 52% 52% 53% 54% 55% 59% 64% 68% 69% 70% 71% 66% 60% 55% 43%
Mon, 29-Apr 7% 9% 10% 13% 16% 19% 31% 43% 55% 50% 44% 39% 42% 45% 48% 38%
Tue, 30-Apr 21% 24% 26% 30% 35% 39% 46% 54% 61% 64% 68% 71% 67% 62% 58% 46%
Wed, 01-May 23% 23% 23% 23% 23% 23% 36% 48% 61% 61% 61% 61% 52% 44% 35% 29%
Thu, 02-May 2% 4% 6% 9% 13% 16% 22% 29% 35% 38% 42% 45% 44% 43% 42% 34%
Fri, 03-May

Weather data by Open-Meteo.com

Brecon Beacons hourly weather (Met Office)

Sunset: 20:29. Dusk: 21:07. Moon: 96% (22:49 to dawn)

Updated: 07:00 on Thu, 25-Apr

06 09 12 15 18 21
Today 55% 91% 81% 10% 6% 15%
Fri, 26-Apr 🌫 19% 6% 10% 9% 7% 13%
Sat, 27-Apr 73% 56% 14% 12% 11% 13%
Sun, 28-Apr 8% 10% 12% 19% 9% 2%
Mon, 29-Apr 4% 8% 10% 19% 31% 30%
Tue, 30-Apr 41% 75% 57% 60% 17% 16%
Wed, 01-May 10% 18% 18% 49% 49% 17%
Thu, 02-May 11%

Powered by Met Office data.

Brecon Beacons weather (Met Office)

Updated: 01:15 on Thu, 25-Apr

A chance of showers today and feeling rather cool.

Today:

  • Rather cold to begin the day with scattered showers, these perhaps heavy in the south.
  • Turning much drier through the morning, leaving a bright afternoon.
  • A cool breeze at times.
  • Maximum Temperature 13C.

Tonight:

  • Showers are possible in Pembrokeshire overnight but the rest of Wales will become dry and chilly with clear periods.
  • Turning frosty in rural inland areas with patchy fog.
  • Minimum Temperature 3C.

Friday:

  • Dry, chilly and mostly sunny to start.
  • Cloud bubbling up with a scattering of showers developing but many places remaining dry.
  • Light winds but still feeling rather cool.
  • Maximum Temperature 12C.

Saturday to Monday:

  • Cloudy but mainly dry on Saturday, showers possible later.
  • Breezier on Sunday and wet with heavy rain at times.
  • Drier and brighter on Monday.
  • Rather cool for late April.

UK Day 6-7 and week 2

  • The weekend's rain probably clearing east and northeast to leave a drier day on Monday, although the chance of showers and even thunderstorms remains.
  • Cloudier, wetter weather is likely to quickly arrive into the west, and slide east across southern areas early next week, such that the majority of the week will be characterised by wetter weather in southern UK, drier weather in northern, especially northwestern UK, and a chance of rain or even thundery showers for a time in the east.
  • Temperatures likely to trend upwards, with the chance of a warm to very warm spell in some southern and eastern parts, before conditions probably turn drier, cooler and more settled from the west towards the end of the period.

UK Week 3 and 4

  • In this period, the chances of unsettled weather are slightly less than usual in the north and about the same as usual further south.
  • Therefore, some spells of wetter weather are likely for all, but perhaps especially southern areas with the driest conditions probably further north.
  • Temperatures probably near average though with some cooler interludes possible.
  • Also worth noting that average temperatures themselves rise by around 1C per week at this time of year.

Powered by Met Office data.

Brecon Beacons mountain weather forecast (Met Office)

Sunset: 20:29. Dusk: 21:07. Moon: 96% (22:49 to dawn)

Updated: 03:57 on Thu, 25-Apr

Today
Thu, 25-Apr

Showers at first clearing then mainly dry with cloud and sunny intervals.

Cloudy with a chance of showers through the morning, with some brief brighter spells possible. A diminishing chance of showers through the day with a mixture of cloudy periods and sunny intervals.

Chance of Cloud free tops 70%.
Visibility Periods of cloud above 550-600m first thing and then patchy cloud above 700-800m thereafter with poor or very poor visibility in the cloud. Otherwise very good visibility with distant hills clearly visible.
Confidence Moderate to high confidence in largely dry conditions on Thursday and Friday and then for a chance to much more unsettled, wetter and windier weather this weekend. Low confidence in the details over the weekend, particularly regarding the timings and intensities of any rainfall.
View Extra layers recommended at elevation due to feeling sub-zero on the summits early and late.
Low risk Severe Chill Effect
Medium risk Strong Sunlight

Conditions on the tops

Time Weather Rain Temp Wind Freezing
06:00 Light rain 40% 3 11 1000m
09:00 Light rain 30% 4 13 1100m
12:00 Dull 20% 6 12 1000m
15:00 Cloudy 20% 6 12 1000m
18:00 Sunny intervals 10% 5 10 1000m
21:00 Partly cloudy (night) 10% 3 6 900m
Fri, 26-Apr

Mainly dry during the early hours with clear spells allowing the chance of a frost in valleys as well as a few isolated fog patches. Mainly dry during the morning with broken cloud and sunny intervals. Staying similar through the afternoon with cloudy skies, bright periods and the low chance of a shower.

Ice 600m, rising above summits.
Visibility Scraps of cloud are possible between 400m and 600m first thing but otherwise very good visibility is expected in general. Locally very poor in any early morning fog patches.
Wind Easterly 10-15 mph.
Temp Minus 1 Celsius rising to plus 6 Celsius. (at high level)
Sat, 27-Apr

Low confidence in the details. Probably mainly dry and cloudy for much of the day but an increasing chance of showery outbreaks of rain later. Light to moderate northeasterly winds. Freezing level 800m rising above the summits.

Sun, 28-Apr

Rain overnight with perhaps some snow over the summits. Further outbreaks of rain and (at first) summit snow through the day, perhaps drier later. Light to moderate northerly winds. Low confidence in the details. Freezing levels lifting to above the summits.

Mon, 29-Apr

Mostly dry with largely cloudy skies, bright or sunny intervals and the chance of isolated light showers. Feeling a bit warmer with light south-westerly winds. Freezing levels above the summits.

Powered by Met Office data.

Brecon Beacons daylight

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

Day length is dusk to dawn. Times will vary a little if there is a hill on the horizon.

It should still be light enough to read at dawn and dusk, so there will be enough light for walking even earlier (later).

Brecon Beacons moonlight

Night of Sunset Dusk Moon Rise Moon Set Dawn Sunrise Phase % Full Max. Ht. Night Walk
Thu, 25-Apr 20:29 21:07 22:49 dawn 05:16 05:53 96 % 02:44 before dawn
Fri, 26-Apr 20:31 21:09 00:07 dawn 05:14 05:51 91 % 03:36 before dawn
Sat, 27-Apr 20:32 21:10 01:19 dawn 05:11 05:49 85 % 04:32 before dawn
Sun, 28-Apr 20:34 21:12 02:18 dawn 05:09 05:48 76 % 05:30 before dawn
Mon, 29-Apr 20:36 21:14 03:01 dawn 05:07 05:46 67 % 06:28
Tue, 30-Apr 20:37 21:16 03:31 dawn 05:05 05:44 56 % 07:25
Wed, 01-May 20:39 21:18 03:53 dawn 05:03 05:42 45 % 08:19
Thu, 02-May 20:41 21:20 04:09 dawn 05:01 05:40 33 % 09:10
Fri, 03-May 20:42 21:22 04:22 dawn 04:59 05:38 23 % 10:00
Sat, 04-May 20:44 21:24 04:34 dawn 04:57 05:36 14 %
Sun, 05-May 20:46 21:26 04:47 dawn 04:55 05:35 7 %
Mon, 06-May 20:47 21:27 04:53 05:33 2 %
Tue, 07-May 20:49 21:29 04:51 05:31 0 %
Wed, 08-May 20:51 21:31 dusk 21:59 04:49 05:29 1 %
Thu, 09-May 20:52 21:33 dusk 23:26 04:47 05:28 4 % 14:26
Fri, 10-May 20:54 21:35 dusk 00:41 04:45 05:26 10 % 15:26
Sat, 11-May 20:55 21:37 dusk 01:36 04:43 05:24 17 % 16:25
Sun, 12-May 20:57 21:38 dusk 02:15 04:41 05:23 26 % 17:22
Mon, 13-May 20:58 21:40 dusk 02:41 04:39 05:21 35 % 18:14
Tue, 14-May 21:00 21:42 dusk 02:59 04:38 05:20 45 % 19:02
Wed, 15-May 21:01 21:44 dusk 03:12 04:36 05:18 55 % 19:46
Thu, 16-May 21:03 21:46 dusk 03:23 04:34 05:17 64 % 20:28
Fri, 17-May 21:05 21:47 dusk 03:32 04:33 05:15 73 % 21:07
Sat, 18-May 21:06 21:49 dusk 03:41 04:31 05:14 81 % 21:46 after dusk
Sun, 19-May 21:07 21:51 dusk 03:51 04:29 05:13 88 % 22:25 after dusk
Mon, 20-May 21:09 21:52 dusk 04:02 04:28 05:11 93 % 23:06 after dusk
Tue, 21-May 21:10 21:54 dusk 04:16 04:26 05:10 97 % 23:50 after dusk
Wed, 22-May 21:12 21:56 dusk dawn 04:25 05:09 100 % 00:38 all night
Thu, 23-May 21:13 21:57 dusk dawn 04:23 05:08 100 % 01:30 all night
Fri, 24-May 21:14 21:59 23:08 dawn 04:22 05:07 98 % 02:26 before dawn
Sat, 25-May 21:16 22:01 00:12 dawn 04:21 05:06 94 % 03:24 before dawn
Sun, 26-May 21:17 22:02 01:01 dawn 04:19 05:05 87 % 04:23 before dawn
Mon, 27-May 21:18 22:04 01:35 dawn 04:18 05:04 79 % 05:21 before dawn
Tue, 28-May 21:19 22:05 01:58 dawn 04:17 05:03 69 % 06:15
Wed, 29-May 21:21 22:06 02:15 dawn 04:16 05:02 59 % 07:07
Thu, 30-May 21:22 22:08 02:29 dawn 04:15 05:01 47 % 07:56
Fri, 31-May 21:23 22:09 02:41 dawn 04:14 05:00 36 % 08:44
Sat, 01-Jun 21:24 22:11 02:53 dawn 04:13 04:59 25 % 09:32
Sun, 02-Jun 21:25 22:12 03:06 dawn 04:12 04:59 16 % 10:22
Mon, 03-Jun 21:26 22:13 03:22 dawn 04:11 04:58 8 %
Tue, 04-Jun 21:27 22:14 03:43 dawn 04:10 04:57 3 %
Wed, 05-Jun 21:28 22:15 04:09 04:57 0 %
Thu, 06-Jun 21:29 22:16 dusk 22:19 04:09 04:56 0 %
Fri, 07-Jun 21:30 22:17 dusk 23:24 04:08 04:56 2 % 14:09
Sat, 08-Jun 21:31 22:18 dusk 00:10 04:08 04:55 7 % 15:08
Sun, 09-Jun 21:31 22:19 dusk 00:41 04:07 04:55 13 % 16:03
Mon, 10-Jun 21:32 22:20 dusk 01:02 04:07 04:55 21 % 16:54
Tue, 11-Jun 21:33 22:21 dusk 01:18 04:06 04:54 29 % 17:40
Wed, 12-Jun 21:33 22:22 dusk 01:30 04:06 04:54 38 % 18:23
Thu, 13-Jun 21:34 22:22 dusk 01:40 04:06 04:54 48 % 19:03
Fri, 14-Jun 21:35 22:23 dusk 01:49 04:05 04:54 57 % 19:42
Sat, 15-Jun 21:35 22:24 dusk 01:58 04:05 04:54 66 % 20:21
Sun, 16-Jun 21:36 22:24 dusk 02:08 04:05 04:54 75 % 21:01 after dusk
Mon, 17-Jun 21:36 22:25 dusk 02:21 04:05 04:54 83 % 21:44 after dusk
Tue, 18-Jun 21:36 22:25 dusk 02:37 04:05 04:54 90 % 22:30 after dusk
Wed, 19-Jun 21:37 22:25 dusk 03:01 04:06 04:54 95 % 23:20 after dusk
Thu, 20-Jun 21:37 22:25 dusk 03:35 04:06 04:54 99 % 00:15 after dusk
Fri, 21-Jun 21:37 22:26 dusk dawn 04:06 04:55 100 % 01:14 all night
Sat, 22-Jun 21:37 22:26 22:56 dawn 04:06 04:55 99 % 02:14 before dawn
Sun, 23-Jun 21:37 22:26 23:36 dawn 04:07 04:55 95 % 03:14 before dawn
Mon, 24-Jun 21:37 22:26 00:02 dawn 04:07 04:56 90 % 04:10 before dawn
Tue, 25-Jun 21:37 22:26 00:22 dawn 04:08 04:56 81 % 05:03 before dawn
Wed, 26-Jun 21:37 22:26 00:36 dawn 04:08 04:57 72 % 05:53
Thu, 27-Jun 21:37 22:25 00:49 dawn 04:09 04:57 61 % 06:42
Fri, 28-Jun 21:37 22:25 01:01 dawn 04:10 04:58 49 % 07:29
Sat, 29-Jun 21:37 22:25 01:13 dawn 04:10 04:58 38 % 08:18
Sun, 30-Jun 21:36 22:24 01:27 dawn 04:11 04:59 27 % 09:08
Mon, 01-Jul 21:36 22:24 01:46 dawn 04:12 05:00 18 % 10:02
Tue, 02-Jul 21:36 22:23 02:12 dawn 04:13 05:01 10 %
Wed, 03-Jul 21:35 22:23 02:49 dawn 04:14 05:01 5 %
Thu, 04-Jul 21:35 22:22 03:41 dawn 04:15 05:02 1 %
Fri, 05-Jul 21:34 22:21 04:16 05:03 0 %
Sat, 06-Jul 21:34 22:21 dusk 22:40 04:17 05:04 1 % 13:52
Sun, 07-Jul 21:33 22:20 dusk 23:05 04:18 05:05 4 % 14:45
Mon, 08-Jul 21:32 22:19 dusk 23:23 04:20 05:06 9 % 15:33
Tue, 09-Jul 21:31 22:18 dusk 23:36 04:21 05:07 16 % 16:18
Wed, 10-Jul 21:31 22:17 dusk 23:46 04:22 05:08 23 % 16:59
Thu, 11-Jul 21:30 22:16 dusk 23:56 04:23 05:09 32 % 17:38
Fri, 12-Jul 21:29 22:15 dusk 00:05 04:25 05:11 41 % 18:17
Sat, 13-Jul 21:28 22:14 dusk 00:14 04:26 05:12 50 % 18:56
Sun, 14-Jul 21:27 22:12 dusk 00:26 04:28 05:13 60 % 19:37
Mon, 15-Jul 21:26 22:11 dusk 00:40 04:29 05:14 69 % 20:21
Tue, 16-Jul 21:25 22:10 dusk 01:00 04:31 05:15 78 % 21:09 after dusk
Wed, 17-Jul 21:24 22:08 dusk 01:29 04:32 05:17 86 % 22:02 after dusk
Thu, 18-Jul 21:23 22:07 dusk 02:12 04:34 05:18 92 % 22:59 after dusk
Fri, 19-Jul 21:21 22:06 dusk 03:15 04:35 05:19 97 % 23:59 after dusk
Sat, 20-Jul 21:20 22:04 dusk 04:35 04:37 05:21 100 % 01:00 after dusk
Sun, 21-Jul 21:19 22:03 22:04 dawn 04:38 05:22 100 % 01:59 before dawn
Mon, 22-Jul 21:18 22:01 22:26 dawn 04:40 05:23 97 % 02:55 before dawn
Tue, 23-Jul 21:16 21:59 22:43 dawn 04:42 05:25 91 % 03:48 before dawn
Wed, 24-Jul 21:15 21:58 22:56 dawn 04:43 05:26 83 % 04:38 before dawn
Thu, 25-Jul 21:13 21:56 23:08 dawn 04:45 05:28 74 % 05:26
Fri, 26-Jul 21:12 21:54 23:20 dawn 04:47 05:29 63 % 06:15
Sat, 27-Jul 21:10 21:53 23:34 dawn 04:49 05:31 52 % 07:05
Sun, 28-Jul 21:09 21:51 23:51 dawn 04:50 05:32 41 % 07:58
Mon, 29-Jul 21:07 21:49 00:14 dawn 04:52 05:34 30 % 08:53
Tue, 30-Jul 21:06 21:47 00:47 dawn 04:54 05:35 21 % 09:50
Wed, 31-Jul 21:04 21:45 01:33 dawn 04:56 05:37 13 %
Thu, 01-Aug 21:02 21:43 02:35 dawn 04:57 05:38 6 %
Fri, 02-Aug 21:01 21:41 03:48 dawn 04:59 05:40 2 %
Sat, 03-Aug 20:59 21:39 05:01 05:41 0 %
Sun, 04-Aug 20:57 21:37 05:03 05:43 0 %
Mon, 05-Aug 20:56 21:35 dusk 21:43 05:05 05:44 2 % 14:13
Tue, 06-Aug 20:54 21:33 dusk 21:54 05:06 05:46 6 % 14:55
Wed, 07-Aug 20:52 21:31 dusk 22:03 05:08 05:48 11 % 15:35
Thu, 08-Aug 20:50 21:29 dusk 22:12 05:10 05:49 18 % 16:14
Fri, 09-Aug 20:48 21:27 dusk 22:21 05:12 05:51 25 % 16:53
Sat, 10-Aug 20:46 21:25 dusk 22:32 05:14 05:52 34 % 17:33
Sun, 11-Aug 20:44 21:23 dusk 22:44 05:15 05:54 43 % 18:15
Mon, 12-Aug 20:42 21:21 dusk 23:01 05:17 05:56 53 % 19:01
Tue, 13-Aug 20:40 21:18 dusk 23:25 05:19 05:57 63 % 19:50
Wed, 14-Aug 20:38 21:16 dusk 00:00 05:21 05:59 73 % 20:44
Thu, 15-Aug 20:36 21:14 dusk 00:53 05:23 06:00 82 % 21:42 after dusk
Fri, 16-Aug 20:34 21:12 dusk 02:05 05:25 06:02 89 % 22:42 after dusk
Sat, 17-Aug 20:32 21:10 dusk 03:31 05:26 06:04 95 % 23:42 after dusk
Sun, 18-Aug 20:30 21:07 dusk 05:05 05:28 06:05 99 % 00:40 after dusk
Mon, 19-Aug 20:28 21:05 dusk dawn 05:30 06:07 100 % 01:35 all night
Tue, 20-Aug 20:26 21:03 dusk dawn 05:32 06:09 98 % 02:28 all night
Wed, 21-Aug 20:24 21:01 21:14 dawn 05:34 06:10 93 % 03:18 before dawn
Thu, 22-Aug 20:22 20:58 21:27 dawn 05:35 06:12 85 % 04:09 before dawn
Fri, 23-Aug 20:20 20:56 21:40 dawn 05:37 06:13 76 % 05:00 before dawn
Sat, 24-Aug 20:17 20:54 21:56 dawn 05:39 06:15 66 % 05:53
Sun, 25-Aug 20:15 20:51 22:17 dawn 05:41 06:17 55 % 06:48
Mon, 26-Aug 20:13 20:49 22:46 dawn 05:42 06:18 44 % 07:45
Tue, 27-Aug 20:11 20:47 23:29 dawn 05:44 06:20 33 % 08:43
Wed, 28-Aug 20:09 20:44 00:26 dawn 05:46 06:22 24 % 09:40
Thu, 29-Aug 20:06 20:42 01:36 dawn 05:48 06:23 15 %
Fri, 30-Aug 20:04 20:40 02:52 dawn 05:49 06:25 9 %
Sat, 31-Aug 20:02 20:37 04:10 dawn 05:51 06:26 4 %
Sun, 01-Sep 20:00 20:35 05:26 dawn 05:53 06:28 1 %
Mon, 02-Sep 19:57 20:32 05:55 06:30 0 %
Tue, 03-Sep 19:55 20:30 05:56 06:31 1 % 13:34
Wed, 04-Sep 19:53 20:28 05:58 06:33 3 % 14:13
Thu, 05-Sep 19:51 20:25 dusk 20:30 06:00 06:35 7 % 14:52
Fri, 06-Sep 19:48 20:23 dusk 20:40 06:02 06:36 13 % 15:31
Sat, 07-Sep 19:46 20:20 dusk 20:51 06:03 06:38 20 % 16:12
Sun, 08-Sep 19:44 20:18 dusk 21:06 06:05 06:39 28 % 16:56
Mon, 09-Sep 19:41 20:16 dusk 21:26 06:07 06:41 37 % 17:43
Tue, 10-Sep 19:39 20:13 dusk 21:55 06:08 06:43 47 % 18:34
Wed, 11-Sep 19:37 20:11 dusk 22:39 06:10 06:44 57 % 19:29
Thu, 12-Sep 19:34 20:08 dusk 23:40 06:12 06:46 68 % 20:26
Fri, 13-Sep 19:32 20:06 dusk 00:59 06:13 06:47 78 % 21:25 after dusk
Sat, 14-Sep 19:30 20:04 dusk 02:28 06:15 06:49 86 % 22:23 after dusk
Sun, 15-Sep 19:27 20:01 dusk 04:01 06:17 06:51 93 % 23:19 after dusk
Mon, 16-Sep 19:25 19:59 dusk 05:35 06:18 06:52 98 % 00:12 after dusk
Tue, 17-Sep 19:23 19:57 dusk dawn 06:20 06:54 100 % 01:04 all night
Wed, 18-Sep 19:20 19:54 dusk dawn 06:22 06:56 99 % 01:56 all night
Thu, 19-Sep 19:18 19:52 dusk dawn 06:23 06:57 95 % 02:48 all night
Fri, 20-Sep 19:16 19:49 20:00 dawn 06:25 06:59 88 % 03:42 before dawn
Sat, 21-Sep 19:13 19:47 20:19 dawn 06:27 07:00 79 % 04:38 before dawn
Sun, 22-Sep 19:11 19:45 20:46 dawn 06:28 07:02 69 % 05:37
Mon, 23-Sep 19:09 19:42 21:24 dawn 06:30 07:04 59 % 06:36
Tue, 24-Sep 19:06 19:40 22:18 dawn 06:32 07:05 48 % 07:35
Wed, 25-Sep 19:04 19:38 23:25 dawn 06:33 07:07 38 % 08:30
Thu, 26-Sep 19:02 19:35 00:41 dawn 06:35 07:09 28 % 09:21
Fri, 27-Sep 19:00 19:33 01:58 dawn 06:37 07:10 20 % 10:09
Sat, 28-Sep 18:57 19:31 03:14 dawn 06:38 07:12 13 %
Sun, 29-Sep 18:55 19:28 04:28 dawn 06:40 07:14 7 %
Mon, 30-Sep 18:53 19:26 05:39 dawn 06:42 07:15 3 %
Tue, 01-Oct 18:50 19:24 06:43 07:17 1 %
Wed, 02-Oct 18:48 19:21 06:45 07:19 0 %
Thu, 03-Oct 18:46 19:19 06:47 07:20 1 % 13:30
Fri, 04-Oct 18:43 19:17 06:48 07:22 4 % 14:11
Sat, 05-Oct 18:41 19:15 06:50 07:24 9 % 14:54
Sun, 06-Oct 18:39 19:12 dusk 19:31 06:52 07:25 15 % 15:39
Mon, 07-Oct 18:37 19:10 dusk 19:56 06:53 07:27 23 % 16:29
Tue, 08-Oct 18:34 19:08 dusk 20:34 06:55 07:29 32 % 17:22
Wed, 09-Oct 18:32 19:06 dusk 21:27 06:57 07:30 42 % 18:17
Thu, 10-Oct 18:30 19:04 dusk 22:37 06:58 07:32 52 % 19:14
Fri, 11-Oct 18:28 19:01 dusk 00:00 07:00 07:34 63 % 20:10
Sat, 12-Oct 18:26 18:59 dusk 01:29 07:02 07:36 73 % 21:05
Sun, 13-Oct 18:23 18:57 dusk 02:59 07:03 07:37 83 % 21:57 after dusk
Mon, 14-Oct 18:21 18:55 dusk 04:30 07:05 07:39 91 % 22:49 after dusk
Tue, 15-Oct 18:19 18:53 dusk 06:02 07:07 07:41 97 % 23:40 after dusk
Wed, 16-Oct 18:17 18:51 dusk dawn 07:08 07:43 100 % 00:31 all night
Thu, 17-Oct 18:15 18:49 dusk dawn 07:10 07:44 100 % 01:25 all night
Fri, 18-Oct 18:13 18:47 dusk dawn 07:12 07:46 97 % 02:21 all night
Sat, 19-Oct 18:10 18:45 dusk dawn 07:13 07:48 91 % 03:21 all night
Sun, 20-Oct 18:08 18:43 19:18 dawn 07:15 07:50 83 % 04:23 before dawn
Mon, 21-Oct 18:06 18:41 20:06 dawn 07:17 07:51 74 % 05:24

Notes

  • The moon's phase or fracillum (percentage of the moon illuminated) doesn't vary much with location.
  • A full moon is not just bigger, its much brighter. A half moon ('50%') give less than 5% of the illumination of a full moon. You can walk with a half 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
  • Of course, you need a cloudless night as well!

Brecon Beacons weather (Accuweather)

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