Bannau Brycheiniog / Brecon Beacons Mountain weather forecast table
Confidence
High for cloudy and rather humid conditions, low for shower detail.
This evening forecast
Rather cloudy with a chance of, mainly light, showers through the morning. Winds light to moderate from the south, rather warm and feeling humid.
Mountain weather forecast
Cloudy, humid with showers through the morning.
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
Weather (at 600m) |
|
|
|
|
|
|
|
|
Chance of precipitation (at 600m) |
<05% | <05% | 20% | 20% | 10% | <05% | <05% | <05% |
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
| 600m |
SE
15
|
SE
15
|
SE
11
|
S
9
|
SW
10
|
SW
12
|
W
11
|
SW
10
|
| 300m |
E
5
|
E
3
|
SE
2
|
SE
3
|
SW
6
|
SW
9
|
W
7
|
SW
6
|
| Valley |
SE
5
|
SE
3
|
SE
2
|
S
3
|
SW
6
|
SW
8
|
W
6
|
SW
4
|
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
| 600m | 24 | 20 | 15 | 12 | 14 | 16 | 15 | 14 |
| 300m | 12 | 7 | 8 | 6 | 11 | 15 | 14 | 13 |
| Valley | 13 | 7 | 8 | 7 | 11 | 15 | 14 | 12 |
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
| 600m |
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
10°
|
8°
|
| 300m |
11°
|
10°
|
10°
|
14°
|
14°
|
15°
|
13°
|
9°
|
| Valley |
12°
|
10°
|
10°
|
14°
|
15°
|
16°
|
14°
|
9°
|
| Freezing Level |
2,700m
|
2,700m
|
2,700m
|
2,700m
|
2,700m
|
1,900m
|
1,700m
|
1,500m
|
| Time | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|---|---|
| 600m |
9°
|
8°
|
9°
|
10°
|
10°
|
10°
|
8°
|
5°
|
| 300m |
10°
|
9°
|
9°
|
13°
|
14°
|
14°
|
12°
|
7°
|
| Valley |
11°
|
9°
|
10°
|
13°
|
14°
|
14°
|
12°
|
8°
|
Additional weather information
Meteorologist's view
It will be rather humid through the day, so pack plenty of water when heading out onto the hills. A light waterproof would also be advised.
Weather
Isolated light showers through the morning, turning drier in the afternoon. Rather cloudy throughout.
Chance of cloud-free hill tops
80%, cloud basses falling to 500m in showers.
Low cloud and visibility
Mainly good, but decreasing moderate to poor in any showers.
Recent rainfall
| Last 24 hours | Last 48 hours | Last 72 hours |
|---|---|---|
| 0mm | 0mm | 0mm |
Rainfall data provided by Natural Resources Wales. The Met Office is not responsible for content provided by third parties and may remove this data without warning.
Mountain weather information
Weather
Mostly dry, but rather cloudy. A risk of rain by the evening.
Chance of cloud-free hill tops
70%. Early cloud as low as 400 m over SW slopes. Becoming mostly cloud free. Bases dropping to 3-400 m in rain into the evening.
Maximum wind speed expected
Mainly southerly at 10-15 mph.
Temperature
- At 600m 11 C
- Valley 16 C
- Freezing level Above summits.
Low cloud and visibility
Mainly good. Moderate at first and poor in rain later in the day.
Mountain weather information
Sun 3 May
Locally heavy rain at first, becoming lighter and patchier into the afternoon. Cloudy throughout with peaks often shrouded.
Mon 4 May
Rather cloudy with bright spells. Isolated showers, mainly in the afternoon. Feeling cooler than of late.
Tue 5 May
Bright with some sunny spells. An isolated shower possible, but mainly dry. Light winds.
Summit specific forecast
Mountain summit forecast map
The Bannau Brycheiniog / Brecon Beacons is a mountain range in South Wales comprising six main peaks, with the highest peak, Pen y Fan, standing at 886 metres.