The ridge of The Skirrid and Hatterrall Hill

SWC Walk 347 - Llanvihangel Crucorney Circular (via Bryn Arw and The Skirrid)

17-Sep-19 • thomasgrabow on Flickr

swcwalks swcwalk347 banner 49012724692

Bryn Arw from ascent up Llwygy hill

SWC Walk 347 - Llanvihangel Crucorney Circular (via Bryn Arw and The Skirrid)

17-Sep-19 • thomasgrabow on Flickr

swcwalks swcwalk347 walkicon 49011998333

The Skirrid from ascent up Llwygy hill

SWC Walk 347 - Llanvihangel Crucorney Circular (via Bryn Arw and The Skirrid)

17-Sep-19 • thomasgrabow on Flickr

swcwalks swcwalk347 walkicon 49011998113

Sugar Loaf from flank of Ysgyryd Fawr

SWC Walk 347 - Llanvihangel Crucorney Circular (via Bryn Arw and The Skirrid)

17-Sep-19 • thomasgrabow on Flickr

swcwalks swcwalk347 walkicon 49012520351

Trig Point with Views, The Skirrid/Ysgyryd Fawr

SWC Walk 347 - Llanvihangel Crucorney Circular (via Bryn Arw and The Skirrid)

17-Sep-19 • thomasgrabow on Flickr

swcwalks swcwalk347 walkicon 49012724102

Backview of Prow of The Skirrid (landslip on right-hand side)

SWC Walk 347 - Llanvihangel Crucorney Circular (via Bryn Arw and The Skirrid)

17-Sep-19 • thomasgrabow on Flickr

swcwalks swcwalk347 walkicon 49012515426

Barn at Llanvihangel Court

SWC Walk 347 - Llanvihangel Crucorney Circular (via Bryn Arw and The Skirrid)

17-Sep-19 • thomasgrabow on Flickr

swcwalks swcwalk347 walkicon 49012722147

Llanvihangel Crucorney Circular via Bryn Arw and The Skirrid walk

Hiking Weather

7 Day Forecast for Brecon Beacons NP

Sunset: 21:34. Dusk: 22:22. Moon: 11% (dusk to 00:22)

8 9 10 11 12 13 14 15 16 17 18 19 20
Sun, 13-Jun 1% 1% 0% 0%
Mon, 14-Jun 0% 0% 0% 0% 0% 1% 1% 1% 1% 0% 1% 1% 0%
Tue, 15-Jun 0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 0% 0% 0%
Wed, 16-Jun 0% 0% 1% 1% 0% 0% 2% 2% 2% 3% 9% 3% 2%
Thu, 17-Jun 8% 8% 0% 7% 6% 16% 25% 31% 32% 26% 11% 5% 2%
Fri, 18-Jun 0% 0% 0% 0% 0% 0% 4% 7% 12% 13% 12% 11% 12%
Sat, 19-Jun 52% 46% 40% 37% 32% 27% 23% 20% 20% 21% 24% 26% 21%
Sun, 20-Jun 28% 19% 12% 8% 5% 4% 4% 4% 3% 3%

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Met Office Forecast

Wales

Remaining humid with lingering coastal cloud.

This Evening and Tonight:

A dry and mostly clear night, but with lingering low cloud around coastal areas and possibly drizzle in the north by dawn. Warm and humid for many, without much in the way of wind to take the edge off. Minimum Temperature 10C.

Monday:

A cloudy start for most, but sunnier spells developing from the north once rain and drizzle fragment southwards, leading to a bright and dry day. Maximum Temperature 24C.

Outlook for Tuesday to Thursday:

Largely fine on Tuesday, although marginally cooler. Cloudy skies and showers move in overnight and last throughout the period. Risks of thundery showers for the southeast.

Day 6-7 and Week 2:

It is likely to be warm, perhaps very warm and humid towards the southeast at first with the risk of thundery showers across southeastern areas. Elsewhere sunny spells and fresher conditions, with some rain and thicker cloud towards the north and west at times. The fresher air is then likely to gradually spread to the rest of the country bringing a change to widely cooler more changeable conditions towards the end of the week, with a low risk of warm and humid air returning to the far southeast at times. This will likely bring occasional spells of rain or showers interspersed with drier and sunnier conditions. Overall, temperatures will likely average out to be close to normal.

Week 3 and 4:

Low confidence through this period due to mixed and weak signals. Likely to see a mix of occasional Atlantic frontal systems affecting the UK followed by spells of more settled weather through this period. This bringing periods of dry, settled and warmer weather interspersed with occasional days of thicker cloud, rain and stronger winds. Temperatures are likely to be slightly above average, although cooler conditions may occasionally affect the northwest. Meanwhile, very warm perhaps hot conditions could affect the south and east at times. Overall, rainfall amounts will likely be close to average for the time of the year. Whilst the southeast may see fewer spells of persistent rain, thunderstorms may develop during warmer periods.

Met Office : Wales : 2021-06-13T12:49:52

Daylight : Brecon Beacons NP

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

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).

Moonlight : Brecon Beacons NP

Date Sunset Dusk Moon Rise Moon Set Dawn Sunrise % Full Max. Ht. Night Walk
Sun, 13-Jun 21:34 22:22 dusk 00:22 04:06 04:54 11 % 15:50
Mon, 14-Jun 21:34 22:23 dusk 00:52 04:05 04:54 19 % 16:41
Tue, 15-Jun 21:35 22:23 dusk 01:16 04:05 04:54 27 % 17:31
Wed, 16-Jun 21:35 22:24 dusk 01:35 04:05 04:54 37 % 18:19
Thu, 17-Jun 21:36 22:24 dusk 01:52 04:05 04:54 48 % 19:06
Fri, 18-Jun 21:36 22:25 dusk 02:07 04:05 04:54 59 % 19:54
Sat, 19-Jun 21:37 22:25 dusk 02:24 04:05 04:54 70 % 20:42
Sun, 20-Jun 21:37 22:25 dusk 02:42 04:06 04:54 80 % 21:32 after dusk
Mon, 21-Jun 21:37 22:26 dusk 03:04 04:06 04:55 89 % 22:27 after dusk
Tue, 22-Jun 21:37 22:26 dusk 03:33 04:06 04:55 95 % 23:25 after dusk
Wed, 23-Jun 21:37 22:26 dusk dawn 04:07 04:55 99 % 00:27 all night
Thu, 24-Jun 21:37 22:26 dusk dawn 04:07 04:56 100 % 01:32 all night
Fri, 25-Jun 21:37 22:26 22:55 dawn 04:08 04:56 98 % 02:36 before dawn
Sat, 26-Jun 21:37 22:26 23:40 dawn 04:08 04:56 93 % 03:36 before dawn
Sun, 27-Jun 21:37 22:25 00:12 dawn 04:09 04:57 86 % 04:32 before dawn
Mon, 28-Jun 21:37 22:25 00:35 dawn 04:09 04:58 78 % 05:22 before dawn
Tue, 29-Jun 21:37 22:25 00:53 dawn 04:10 04:58 69 % 06:09
Wed, 30-Jun 21:36 22:24 01:07 dawn 04:11 04:59 59 % 06:52
Thu, 01-Jul 21:36 22:24 01:21 dawn 04:12 05:00 49 % 07:34
Fri, 02-Jul 21:36 22:23 01:34 dawn 04:13 05:00 39 % 08:15
Sat, 03-Jul 21:35 22:23 01:48 dawn 04:14 05:01 30 % 08:56
Sun, 04-Jul 21:35 22:22 02:04 dawn 04:15 05:02 22 % 09:39
Mon, 05-Jul 21:34 22:22 02:24 dawn 04:16 05:03 15 % 10:24
Tue, 06-Jul 21:34 22:21 02:49 dawn 04:17 05:04 9 % 11:11
Wed, 07-Jul 21:33 22:20 03:22 dawn 04:18 05:05 4 % 12:01
Thu, 08-Jul 21:32 22:19 04:05 dawn 04:19 05:06 1 %
Fri, 09-Jul 21:32 22:18 04:20 05:07 0 % 12:53
Sat, 10-Jul 21:31 22:17 dusk 22:23 04:22 05:08 1 % 13:45
Sun, 11-Jul 21:30 22:16 dusk 22:56 04:23 05:09 4 % 14:37
Mon, 12-Jul 21:29 22:15 dusk 23:21 04:24 05:10 9 % 15:28
Tue, 13-Jul 21:28 22:14 dusk 23:41 04:26 05:11 16 % 16:17
Wed, 14-Jul 21:27 22:13 dusk 23:59 04:27 05:13 24 % 17:05
Thu, 15-Jul 21:26 22:11 dusk 00:14 04:29 05:14 34 % 17:51
Fri, 16-Jul 21:25 22:10 dusk 00:30 04:30 05:15 45 % 18:38
Sat, 17-Jul 21:24 22:09 dusk 00:46 04:32 05:16 56 % 19:27
Sun, 18-Jul 21:23 22:07 dusk 01:06 04:33 05:18 68 % 20:18
Mon, 19-Jul 21:22 22:06 dusk 01:31 04:35 05:19 78 % 21:12 after dusk
Tue, 20-Jul 21:21 22:04 dusk 02:05 04:36 05:20 87 % 22:11 after dusk
Wed, 21-Jul 21:19 22:03 dusk 02:52 04:38 05:22 94 % 23:13 after dusk
Thu, 22-Jul 21:18 22:01 dusk 03:55 04:40 05:23 98 % 00:17 after dusk
Fri, 23-Jul 21:17 22:00 dusk dawn 04:41 05:24 100 % 01:19 all night
Sat, 24-Jul 21:15 21:58 22:09 dawn 04:43 05:26 99 % 02:17 before dawn
Sun, 25-Jul 21:14 21:56 22:36 dawn 04:45 05:27 95 % 03:11 before dawn
Mon, 26-Jul 21:12 21:55 22:56 dawn 04:46 05:29 90 % 04:00 before dawn
Tue, 27-Jul 21:11 21:53 23:12 dawn 04:48 05:30 83 % 04:45 before dawn
Wed, 28-Jul 21:09 21:51 23:26 dawn 04:50 05:32 74 % 05:28
Thu, 29-Jul 21:08 21:49 23:40 dawn 04:52 05:33 65 % 06:10
Fri, 30-Jul 21:06 21:48 23:54 dawn 04:53 05:35 55 % 06:52
Sat, 31-Jul 21:05 21:46 00:09 dawn 04:55 05:36 46 % 07:34
Sun, 01-Aug 21:03 21:44 00:27 dawn 04:57 05:38 37 % 08:18
Mon, 02-Aug 21:01 21:42 00:50 dawn 04:59 05:39 28 % 09:05
Tue, 03-Aug 21:00 21:40 01:19 dawn 05:01 05:41 20 % 09:54
Wed, 04-Aug 20:58 21:38 01:59 dawn 05:02 05:42 13 % 10:45
Thu, 05-Aug 20:56 21:36 02:49 dawn 05:04 05:44 7 % 11:38
Fri, 06-Aug 20:54 21:34 03:52 dawn 05:06 05:46 3 % 12:30
Sat, 07-Aug 20:52 21:32 05:04 dawn 05:08 05:47 0 %
Sun, 08-Aug 20:51 21:30 05:10 05:49 0 % 13:22
Mon, 09-Aug 20:49 21:28 dusk 21:47 05:11 05:50 2 % 14:13
Tue, 10-Aug 20:47 21:26 dusk 22:05 05:13 05:52 7 % 15:02
Wed, 11-Aug 20:45 21:23 dusk 22:21 05:15 05:54 13 % 15:49
Thu, 12-Aug 20:43 21:21 dusk 22:36 05:17 05:55 22 % 16:36
Fri, 13-Aug 20:41 21:19 dusk 22:53 05:19 05:57 32 % 17:24
Sat, 14-Aug 20:39 21:17 dusk 23:11 05:20 05:58 43 % 18:14
Sun, 15-Aug 20:37 21:15 dusk 23:33 05:22 06:00 54 % 19:07
Mon, 16-Aug 20:35 21:12 dusk 00:03 05:24 06:02 65 % 20:03
Tue, 17-Aug 20:33 21:10 dusk 00:44 05:26 06:03 76 % 21:02 after dusk
Wed, 18-Aug 20:31 21:08 dusk 01:39 05:28 06:05 85 % 22:04 after dusk
Thu, 19-Aug 20:29 21:06 dusk 02:49 05:29 06:07 92 % 23:05 after dusk
Fri, 20-Aug 20:27 21:03 dusk 04:09 05:31 06:08 97 % 00:04 after dusk
Sat, 21-Aug 20:24 21:01 dusk 05:31 05:33 06:10 100 % 00:59 after dusk
Sun, 22-Aug 20:22 20:59 dusk dawn 05:35 06:11 100 % 01:50 all night
Mon, 23-Aug 20:20 20:57 21:16 dawn 05:37 06:13 97 % 02:37 before dawn
Tue, 24-Aug 20:18 20:54 21:31 dawn 05:38 06:15 93 % 03:21 before dawn
Wed, 25-Aug 20:16 20:52 21:45 dawn 05:40 06:16 87 % 04:04 before dawn
Thu, 26-Aug 20:14 20:50 21:59 dawn 05:42 06:18 80 % 04:46 before dawn
Fri, 27-Aug 20:11 20:47 22:13 dawn 05:44 06:19 71 % 05:28
Sat, 28-Aug 20:09 20:45 22:30 dawn 05:45 06:21 62 % 06:12
Sun, 29-Aug 20:07 20:43 22:50 dawn 05:47 06:23 53 % 06:58
Mon, 30-Aug 20:05 20:40 23:17 dawn 05:49 06:24 44 % 07:46
Tue, 31-Aug 20:03 20:38 23:52 dawn 05:51 06:26 34 % 08:36
Wed, 01-Sep 20:00 20:35 00:37 dawn 05:52 06:28 25 % 09:28
Thu, 02-Sep 19:58 20:33 01:35 dawn 05:54 06:29 17 % 10:20
Fri, 03-Sep 19:56 20:31 02:44 dawn 05:56 06:31 10 % 11:13
Sat, 04-Sep 19:54 20:28 04:00 dawn 05:58 06:32 5 % 12:04
Sun, 05-Sep 19:51 20:26 05:19 dawn 05:59 06:34 1 %
Mon, 06-Sep 19:49 20:24 06:01 06:36 0 % 12:54
Tue, 07-Sep 19:47 20:21 dusk 20:27 06:03 06:37 1 % 13:43
Wed, 08-Sep 19:44 20:19 dusk 20:42 06:04 06:39 5 % 14:31
Thu, 09-Sep 19:42 20:16 dusk 20:58 06:06 06:41 11 % 15:20
Fri, 10-Sep 19:40 20:14 dusk 21:16 06:08 06:42 19 % 16:10
Sat, 11-Sep 19:37 20:12 dusk 21:37 06:10 06:44 29 % 17:03
Sun, 12-Sep 19:35 20:09 dusk 22:04 06:11 06:45 40 % 17:58
Mon, 13-Sep 19:33 20:07 dusk 22:41 06:13 06:47 51 % 18:57
Tue, 14-Sep 19:30 20:04 dusk 23:31 06:15 06:49 63 % 19:57
Wed, 15-Sep 19:28 20:02 dusk 00:36 06:16 06:50 73 % 20:57
Thu, 16-Sep 19:26 20:00 dusk 01:51 06:18 06:52 82 % 21:56 after dusk
Fri, 17-Sep 19:23 19:57 dusk 03:12 06:20 06:53 90 % 22:51 after dusk
Sat, 18-Sep 19:21 19:55 dusk 04:33 06:21 06:55 96 % 23:42 after dusk
Sun, 19-Sep 19:19 19:52 dusk 05:51 06:23 06:57 99 % 00:30 after dusk
Mon, 20-Sep 19:16 19:50 dusk dawn 06:25 06:58 100 % 01:15 all night
Tue, 21-Sep 19:14 19:48 19:51 dawn 06:26 07:00 99 % 01:58 before dawn
Wed, 22-Sep 19:12 19:45 20:04 dawn 06:28 07:02 96 % 02:40 before dawn
Thu, 23-Sep 19:09 19:43 20:18 dawn 06:30 07:03 91 % 03:23 before dawn
Fri, 24-Sep 19:07 19:41 20:33 dawn 06:31 07:05 85 % 04:06 before dawn
Sat, 25-Sep 19:05 19:38 20:52 dawn 06:33 07:07 78 % 04:51 before dawn
Sun, 26-Sep 19:02 19:36 21:16 dawn 06:35 07:08 69 % 05:38
Mon, 27-Sep 19:00 19:34 21:46 dawn 06:36 07:10 60 % 06:27
Tue, 28-Sep 18:58 19:31 22:27 dawn 06:38 07:12 51 % 07:18
Wed, 29-Sep 18:56 19:29 23:19 dawn 06:40 07:13 41 % 08:10
Thu, 30-Sep 18:53 19:27 00:23 dawn 06:41 07:15 32 % 09:01
Fri, 01-Oct 18:51 19:24 01:35 dawn 06:43 07:17 23 % 09:53
Sat, 02-Oct 18:49 19:22 02:53 dawn 06:45 07:18 15 % 10:43
Sun, 03-Oct 18:46 19:20 04:14 dawn 06:46 07:20 8 % 11:32
Mon, 04-Oct 18:44 19:18 05:36 dawn 06:48 07:22 3 % 12:21
Tue, 05-Oct 18:42 19:15 06:50 07:23 0 %
Wed, 06-Oct 18:40 19:13 06:51 07:25 0 % 13:10
Thu, 07-Oct 18:37 19:11 dusk 19:20 06:53 07:27 3 % 14:01
Fri, 08-Oct 18:35 19:09 dusk 19:39 06:55 07:28 9 % 14:54
Sat, 09-Oct 18:33 19:06 dusk 20:04 06:56 07:30 17 % 15:50
Sun, 10-Oct 18:31 19:04 dusk 20:38 06:58 07:32 26 % 16:49
Mon, 11-Oct 18:28 19:02 dusk 21:25 07:00 07:33 37 % 17:51
Tue, 12-Oct 18:26 19:00 dusk 22:26 07:01 07:35 48 % 18:52
Wed, 13-Oct 18:24 18:58 dusk 23:39 07:03 07:37 59 % 19:52
Thu, 14-Oct 18:22 18:56 dusk 00:59 07:05 07:39 70 % 20:47
Fri, 15-Oct 18:20 18:54 dusk 02:19 07:06 07:40 79 % 21:39 after dusk
Sat, 16-Oct 18:17 18:51 dusk 03:37 07:08 07:42 87 % 22:27 after dusk
Sun, 17-Oct 18:15 18:49 dusk 04:52 07:10 07:44 93 % 23:12 after dusk
Mon, 18-Oct 18:13 18:47 dusk 06:06 07:11 07:46 97 % 23:55 after dusk
Tue, 19-Oct 18:11 18:45 dusk dawn 07:13 07:47 100 % 00:37 all night
Wed, 20-Oct 18:09 18:43 dusk dawn 07:15 07:49 100 % 01:19 all night
Thu, 21-Oct 18:07 18:41 dusk dawn 07:16 07:51 98 % 02:02 all night
Fri, 22-Oct 18:05 18:39 18:56 dawn 07:18 07:53 95 % 02:46 before dawn
Sat, 23-Oct 18:03 18:37 19:17 07:20 07:54 90 % 03:32 partial
Sun, 24-Oct 18:01 18:35 19:45 dawn 07:21 07:56 84 % 04:21 before dawn
Mon, 25-Oct 17:59 18:34 20:21 dawn 07:23 07:58 76 % 05:10 before dawn
Tue, 26-Oct 17:57 18:32 21:08 dawn 07:25 08:00 68 % 06:01
Wed, 27-Oct 17:55 18:30 22:06 dawn 07:26 08:01 58 % 06:52
Thu, 28-Oct 17:53 18:28 23:14 dawn 07:28 08:03 49 % 07:43
Fri, 29-Oct 17:51 18:26 00:28 dawn 07:30 08:05 39 % 08:32
Sat, 30-Oct 17:49 18:24 01:46 dawn 06:31 07:07 29 % 08:20
Sun, 31-Oct 16:47 17:23 02:06 dawn 06:33 07:09 19 % 09:08
Mon, 01-Nov 16:45 17:21 03:29 dawn 06:35 07:10 11 % 09:56
Tue, 02-Nov 16:44 17:19 04:53 dawn 06:36 07:12 5 % 10:46
Wed, 03-Nov 16:42 17:18 06:22 dawn 06:38 07:14 1 % 11:38
Thu, 04-Nov 16:40 17:16 06:40 07:16 0 %
Fri, 05-Nov 16:38 17:14 06:41 07:18 2 %
Sat, 06-Nov 16:37 17:13 dusk 17:33 06:43 07:19 7 % 13:34
Sun, 07-Nov 16:35 17:11 dusk 18:15 06:45 07:21 14 % 14:37
Mon, 08-Nov 16:33 17:10 dusk 19:13 06:46 07:23 23 % 15:41
Tue, 09-Nov 16:32 17:08 dusk 20:25 06:48 07:25 34 % 16:44
Wed, 10-Nov 16:30 17:07 dusk 21:45 06:50 07:26 44 % 17:43
Thu, 11-Nov 16:29 17:05 dusk 23:06 06:51 07:28 55 % 18:36
Fri, 12-Nov 16:27 17:04 dusk 00:26 06:53 07:30 66 % 19:26
Sat, 13-Nov 16:26 17:03 dusk 01:42 06:54 07:32 75 % 20:11 after dusk
Sun, 14-Nov 16:24 17:01 dusk 02:55 06:56 07:33 83 % 20:54 after dusk
Mon, 15-Nov 16:23 17:00 dusk 04:07 06:58 07:35 90 % 21:36 after dusk
Tue, 16-Nov 16:21 16:59 dusk 05:18 06:59 07:37 95 % 22:17 after dusk
Wed, 17-Nov 16:20 16:58 dusk 06:29 07:01 07:39 98 % 22:59 after dusk
Thu, 18-Nov 16:19 16:57 dusk dawn 07:02 07:40 100 % 23:43 all night
Fri, 19-Nov 16:18 16:56 dusk dawn 07:04 07:42 100 % 00:28 all night
Sat, 20-Nov 16:16 16:54 dusk dawn 07:05 07:44 98 % 01:16 all night
Sun, 21-Nov 16:15 16:53 17:19 dawn 07:07 07:45 94 % 02:05 before dawn
Mon, 22-Nov 16:14 16:52 18:02 dawn 07:08 07:47 89 % 02:56 before dawn
Tue, 23-Nov 16:13 16:52 18:56 07:10 07:49 82 % 03:47 partial
Wed, 24-Nov 16:12 16:51 20:01 dawn 07:11 07:50 74 % 04:37
Thu, 25-Nov 16:11 16:50 21:11 dawn 07:13 07:52 65 % 05:25
Fri, 26-Nov 16:10 16:49 22:26 dawn 07:14 07:53 55 % 06:13
Sat, 27-Nov 16:09 16:48 23:43 dawn 07:16 07:55 45 % 06:59
Sun, 28-Nov 16:09 16:48 01:01 dawn 07:17 07:56 34 % 07:45
Mon, 29-Nov 16:08 16:47 02:22 dawn 07:18 07:58 24 % 08:32
Tue, 30-Nov 16:07 16:46 03:46 dawn 07:20 07:59 15 % 09:22
Wed, 01-Dec 16:06 16:46 05:15 dawn 07:21 08:00 8 % 10:15
Thu, 02-Dec 16:06 16:45 06:47 dawn 07:22 08:02 3 % 11:13
Fri, 03-Dec 16:05 16:45 07:23 08:03 0 %
Sat, 04-Dec 16:05 16:45 07:24 08:04 1 %
Sun, 05-Dec 16:04 16:44 dusk 16:53 07:26 08:06 4 % 13:21
Mon, 06-Dec 16:04 16:44 dusk 18:01 07:27 08:07 11 % 14:27
Tue, 07-Dec 16:04 16:44 dusk 19:22 07:28 08:08 19 % 15:30
Wed, 08-Dec 16:03 16:43 dusk 20:47 07:29 08:09 29 % 16:28
Thu, 09-Dec 16:03 16:43 dusk 22:10 07:30 08:10 39 % 17:21

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!

Met Office Mountain Forecast

Issued: 0600 on 2021-06-13 for Brecon Beacons

Today

Fine with sunshine.

Summary Some early cloud perhaps possible in the northwest of the Park, however in general a fine and very warm day with lengthy periods of sunshine.
Chance of Cloud free tops 100% all day.
Ground conditions
Visibility Very good views of distant hills all day.
Strong Sunlight: High Likelihood
060708 091011 121314 151617 181920 212223
Weather Sunny intervals Sunny Sunny Sunny Sunny Clear night
Rain 00% 00% 00% 00% 00% 00%
Temp (tops) 14 16 18 19 18 16
Wind (tops) 5 11 11 11 10 9
Freezing Level 2900m 3000m 3000m 3000m 3000m 3100m
Day 1

After a clear start and some early sunshine, cloud is likely to move over the National park from around 8am. During the morning it may become quite low, covering the summits at times, and bringing some hill fog and drizzle. It will also be breezier than on Sunday. The cloud will lift and break up during the afternoon and winds become light again, to give some late warm sunshine.

Ice Well above summits.
Visibility Good visibility at low levels, but poor on hills above 300m above sea level, where fog down to 100m is likely.
Wind 15 mph with gusts of 20 mph on the summits in the cloudy spell during the morning.
Temp 8 C at dawn, rising to 12 C in the late afternoon. (at high level)
Day 2

Dry weather with light winds and plenty of warm sunshine. Max Temp. 20C

Day 3

Sunshine and showers, possibly heavy and thundery in the afternoon. Max Temp. 22C

Day 4

Dry but probably cloudier and less warm than recently. Max temp. 18C

Data: Met Office