Mountain weather

Bannau Brycheiniog / Brecon Beacons

Bannau Brycheiniog / Brecon Beacons Mountain weather forecast table

Confidence

High confidence for milder conditions and mostly settled to start the week. Turning windier by midweek with some colder conditions towards the end of the week. Strong winds continuing by the end of the week with significant windchill likely. Uncertainty in timings of any rain and showers.

Sunrise:
Sunset:

This evening forecast

A cloudy evening with some outbreaks of drizzle, mist and fog patches are likely to form, perhaps some clearer spells towards the west with fresh northeasterly winds.

Sunrise:
Sunset:

Mountain weather forecast

Any early mist and fog patches will lift to leave lovely Spring day with plenty of sunshine, light northeasterly winds turning northwesterly in the afternoon.

Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
Weather
(at 600m)
Fog Mist Mist Sunny intervals Sunny day Sunny day Sunny intervals Clear night
Chance of precipitation
(at 600m)
<05% <05% <05% <05% <05% <05% <05% <05%

Wind direction and speed (mph)
Altitude above mean sea level
Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
600m NE
15
NE
12
NE
10
NE
9
N
4
NW
5
NW
9
W
7
300m NE
7
NE
5
NE
3
NE
4
NE
2
NW
4
W
7
W
4
Valley NE
5
NE
4
N
3
NE
3
NE
2
NW
4
NW
7
W
5
Wind gust (mph)
Altitude above mean sea level
Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
600m 20 16 14 12 7 8 13 10
300m 14 10 8 8 5 8 13 8
Valley 12 9 8 6 5 9 14 11

Altitude above mean sea level
Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
600m
10°
300m
11°
14°
10°
Valley
12°
14°
11°
Freezing Level
1,800m
1,800m
1,700m
1,600m
1,500m
1,600m
1,600m
1,500m

Altitude above mean sea level
Time 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
600m
300m
11°
13°
Valley
12°
14°

Additional weather information

Meteorologist's view

Freshening winds later in the day.

Weather

Dry overnight, perhaps some mist and the odd fog patch developing but generally clear and dry in the early hours. Any mist and fog patches will lift to leave a bright and sunny spring day. Winds turning northwesterly and freshening later in the day.

Chance of cloud-free hill tops

90%, perhaps patchy low cloud lingering around summits in the morning,

Low cloud and visibility

Patches of cloud above 500m will lift and burn away in the morning but mainly clear summits for the whole day with very good visibility.

Recent rainfall

Location: Neuadd (Near Pontsticill)
Altitude: 353m
Last 24 hoursLast 48 hoursLast 72 hours
4.2mm4.4mm4.4mm
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.

Sunrise:
Sunset:

Mountain weather information

Weather

A few showers in the early hours and a risk of some fog at the start of the day. Brightening up with a sunny day likely and mainly dry during daylight hours, fresh northwesterly winds but despite the winds feeling quite mild, especially further east.

Chance of cloud-free hill tops

90%, some early morning patchy cloud

Maximum wind speed expected

Northwesterly 10-15 mph with gust 20-25mph.

Temperature

  • At 600m Plus 4 rising to 11 Celsius.
  • Valley Plus 8 rising to 14 Celsius.
  • Freezing level Above all summits.

Low cloud and visibility

Patchy cloud above 600m in the morning, mostly lifting and clearing by lunchtime. Visibility may be moderate or poor in the morning in mist or very poor in any fog patches, during the day visibility is likely to be very good.

Mountain weather information

Wed 26 Mar

Sunrise:
Sunset:

Fresh or strong southwesterly winds but a mainly dry morning, risk of a few afternoon showers. Freezing level above all summits.

Thu 27 Mar

Sunrise:
Sunset:

Cloudy with some outbreaks of rain or drizzle in the afternoon, strong southwesterly winds, visibility may be poor around western hills. Feeling cooler again.

Fri 28 Mar

Sunrise:
Sunset:

Unsettled with outbreaks of rain but some sunny periods too, strong westerly winds may be a hazard and will add to the cold feel.

Updated at:

Summit specific forecast

Mountain summit forecast map

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