Mountain weather
Bannau Brycheiniog / Brecon Beacons Mountain weather forecast table
Confidence
High for overall conditions.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Strong Sunlight
Harmful UV levels from sunlight increase with altitude giving a greater risk of sunburn and eye damage, even on some overcast days. On breezy days, the cooling effect of wind on exposed skin may disguise any feeling of sunburn until it is too late. If there is snow cover, glare increases the effect of UV rays especially on the eyes. It is advisable to wear sun block, protective clothing such as a long-sleeved top and hat and have good quality eye protection.
Mountain weather forecast
Another bright and sunny day ahead.
| Time | 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% | <05% |
Wind direction and speed (mph)
Altitude above mean sea level
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|
| 600m |
SE
5
|
E
4
|
E
4
|
N
3
|
E
3
|
S
5
|
| 300m |
E
2
|
E
4
|
E
3
|
N
2
|
E
3
|
S
4
|
| Valley |
NE
1
|
E
4
|
E
3
|
E
2
|
SE
2
|
SW
2
|
Wind gust (mph)
Altitude above mean sea level
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|
| 600m | 6 | 6 | 6 | 5 | 5 | 7 |
| 300m | 3 | 5 | 6 | 4 | 4 | 6 |
| Valley | 2 | 5 | 6 | 4 | 6 | 5 |
Altitude above mean sea level
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|
| 600m |
10°
|
11°
|
14°
|
15°
|
15°
|
12°
|
| 300m |
6°
|
13°
|
17°
|
18°
|
16°
|
11°
|
| Valley |
6°
|
14°
|
18°
|
19°
|
17°
|
10°
|
| Freezing Level |
1,400m
|
1,400m
|
1,500m
|
1,800m
|
2,000m
|
2,100m
|
Altitude above mean sea level
| Time | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 |
|---|---|---|---|---|---|---|
| 600m |
9°
|
11°
|
13°
|
14°
|
14°
|
10°
|
| 300m |
5°
|
12°
|
16°
|
17°
|
16°
|
10°
|
| Valley |
5°
|
13°
|
16°
|
18°
|
17°
|
10°
|
Additional weather information
Meteorologist's view
A great day for any outdoor activities. Feeling rather chilly at first with warmer layers recommended. Strong sunshine and moderate to high UV levels expected so sun protection is suggested.
Weather
Some isolated mist or fog patches in sheltered valleys to start, this will quickly clear this morning. A dry and bright day to follow with sunshine turning hazy at times as high cloud comes and goes. Feeling warm in the sunshine due to light to moderate southeasterly winds.
Chance of cloud-free hill tops
95%
Low cloud and visibility
Potential for some mist and fog in sheltered valleys at first which should quickly lift this morning. Visibility will be poor or very poor in any mist or fog at first but excellent otherwise, with good views over distant peaks likely.
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 somewhat cloudier day with often large amount of high cloud, but still bright or sunny spells will occur. Light southeast winds. Freezing level above summits.
Chance of cloud-free hill tops
95%
Maximum wind speed expected
Southerly 15-20 mph.
Temperature
- At 600m Plus 5 rising to Plus 15 Celsius.
- Valley Plus 6 rising to Plus 19 Celsius.
- Freezing level Above summits.
Low cloud and visibility
Very good visibility with clear summits, some distant summits may be hazy.
Mountain weather information
Mon 27 Apr
Sunrise:
Sunset:
Mostly dry and bright, apart for the small chance of an isolated afternoon shower. Gentle winds which will vary in direction. Freezing level above summits.
Tue 28 Apr
Sunrise:
Sunset:
Dry and bright with variable amounts of cloud around throughout the day. Breezy northeasterly winds and freezing level above summits.
Wed 29 Apr
Sunrise:
Sunset:
Dry and bright with variable amounts of cloud around throughout the day. Northeasterly winds becoming strong over summits and ridges. Freezing level above summits
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.