Mountain weather
Bannau Brycheiniog / Brecon Beacons Mountain weather forecast table
Confidence
High for overall settled weather. Lower confidence for the unsettled weather next week,
This evening forecast
Staying dry throughout with some fair weather cloud. Clear spells overnight will lead to some localised mist and fog patches.
Mountain weather forecast
Dry with warm sunshine.
| 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
|---|---|---|---|---|---|---|---|---|
Weather (at 600m) |
|
|
|
|
|
|
|
|
Chance of precipitation (at 600m) |
00% | 00% | 00% | 00% | 00% | 00% | 00% | 00% |
Wind direction and speed (mph)
Altitude above mean sea level
| 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
|---|---|---|---|---|---|---|---|---|
| 600m |
S
7
|
SE
9
|
SE
10
|
SE
11
|
SE
10
|
SE
11
|
SE
8
|
SE
9
|
| 300m |
S
4
|
SE
3
|
E
4
|
E
8
|
SE
7
|
SE
7
|
SE
4
|
SE
5
|
| Valley |
S
4
|
E
3
|
E
4
|
E
8
|
SE
8
|
SE
7
|
SE
5
|
E
4
|
Wind gust (mph)
Altitude above mean sea level
| 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
|---|---|---|---|---|---|---|---|---|
| 600m | 9 | 11 | 15 | 15 | 16 | 16 | 11 | 13 |
| 300m | 8 | 5 | 8 | 14 | 13 | 15 | 10 | 9 |
| Valley | 8 | 5 | 10 | 15 | 15 | 15 | 11 | 8 |
Altitude above mean sea level
| 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
|---|---|---|---|---|---|---|---|---|
| 600m |
12°
|
12°
|
12°
|
14°
|
16°
|
17°
|
17°
|
14°
|
| 300m |
13°
|
11°
|
12°
|
17°
|
20°
|
20°
|
19°
|
15°
|
| Valley |
14°
|
11°
|
13°
|
17°
|
20°
|
21°
|
19°
|
15°
|
| Freezing Level |
2,600m
|
2,600m
|
2,500m
|
2,500m
|
2,500m
|
2,500m
|
2,500m
|
2,400m
|
Altitude above mean sea level
| 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
|---|---|---|---|---|---|---|---|---|
| 600m |
11°
|
10°
|
10°
|
12°
|
14°
|
15°
|
15°
|
12°
|
| 300m |
12°
|
11°
|
12°
|
16°
|
18°
|
19°
|
19°
|
14°
|
| Valley |
13°
|
11°
|
13°
|
16°
|
18°
|
20°
|
19°
|
15°
|
Additional weather information
Meteorologist's view
Strong sunshine is expected with high UV levels, adequate sun protection is advised. Feeling very warm in light winds so stay hydrated.
Weather
Any localised mist and fog will clear quickly, leaving a bright and dry day throughout with plenty of sunshine, could be hazy under high cloud.
Chance of cloud-free hill tops
95% or more.
Low cloud and visibility
Some localised mist and fog in the early morning, clearing quickly. Otherwise, fair weather cloud above summits. Excellent visibility.
Recent rainfall
Location: Neuadd (Near Pontsticill)
Altitude: 353m
| Last 24 hours | Last 48 hours | Last 72 hours |
|---|---|---|
| 0mm | 0mm | 0mm |
Measurement date:
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
A bright and dry start with the risk of thunderstorms in the afternoon. Highest risk will be to the north, but exact locations are uncertain.
Chance of cloud-free hill tops
85% becoming 95% or more, becoming 30%
Maximum wind speed expected
Southeasterly to easterly, 15-20 mph with gusts up to 25 mph.
Temperature
- At 600m Plus 9 Celsius rising to Plus 14 Celsius.
- Valley Plus 14 Celsius rising to Plus 23 Celsius
- Freezing level Above all summits.
Low cloud and visibility
Any localised mist and fog patches clear quickly through the morning, otherwise fair weather cloud above all summits to begin with. Lower cloud moves in later by the afternoon, chance of seeing thundery conditions during this time. Excellent visibility, moderate in any heavy showers.
Mountain weather information
Mon 13 May
Sunrise:
Sunset:
Turning unsettled with outbreaks of rain and stronger winds, though detail remains rather uncertain.
Tue 14 May
Sunrise:
Sunset:
Remaining unsettled with blustery winds and spells of rain, heavy at times.
Wed 15 May
Sunrise:
Sunset:
Unsettled theme continues with blustery heavy showers between sunny spells.
Updated at:
Summit specific forecast
Mountain summit forecast map
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Key
Mountain summits
Other points of interest
Cluster of multiple stations
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.