Brecon Beacons

Includes all higher summits in the southern half of Wales: the Bannau Brycheiniog / Brecon Beacons National Park, southern Cambrian Mountains and highest Preseli hills.

Wednesday's Forecast

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Click here to download the latest PDF Last Updated Tue 11th Feb 25 at 3:20PM
View our detailed version Last Updated Tue 11th Feb 25 at 3:20PM

Viewing Forecast For

Brecon Beacons
Wednesday 12th February 2025
Last updated Tue 11th Feb 25 at 3:20PM

Summary for all mountain areas

Below freezing across all higher terrain; brisk easterly winds giving considerable wind chill, gusty in places. Less windy southwards over England and Wales. Widely cloudy, snow flurries eastern hills, most common Pennines. Sunshine toward northwest Scotland.

Headline for Brecon Beacons

Chilly, but light wind. Largely dry, cloud tending to lift.

How windy? (On the summits)

East to southeasterly 10 to 15mph, or less into afternoon.

Effect of the wind on you?

Small

How Wet?

Precipitation rare if any

Rare isolated snow flurries or spots of rain lower down; mainly eastern mid-Wales.

Cloud on the hills?

Becoming confined to or above higher tops

Cloud base 450 to 600m at least in east Wales from dawn. Improving, in the afternoon most cloud above 750m - clearing some tops in west.

Chance of cloud free summits?

70%

Sunshine and air clarity?

Patches of sun developing, mainly west Wales. Good visibility but a haze.

How Cold? (at 750m)

-2C, some slopes rising to 0C.

Freezing Level

600m but tending to lift toward higher summits (poorly defined freezing level as temperature drops only slowly with height).

Viewing Forecast For

Brecon Beacons
Thursday 13th February 2025
Last updated Tue 11th Feb 25 at 3:20PM

How windy? (On the summits)

Southeasterly, typically 25mph. In places a very gusty 30 to perhaps 40mph.

Effect of the wind on you?

Will impede ease of walking on most higher areas. In places sudden strong gusts will unbalance you. Notable wind chill.

How Wet?

Little or no precipitation

Possibility of occasional light snow flurries or patchy drizzle lower slopes, mainly on hills further toward southwest.

Cloud on the hills?

Covering some slopes

Banks of cloud drifting over higher slopes, most common on areas toward south and east of Brecon, often above 600-700m.

Chance of cloud free summits?

60%

Sunshine and air clarity?

A little sun mostly west Wales, fairly weak due to high cloud. Good visibility although a haze.

How Cold? (at 750m)

-2C. Due to wind chill will feel around -11C.

Freezing Level

500m, possibly above the summits west Wales.

Viewing Forecast For

Brecon Beacons
Friday 14th February 2025
Last updated Tue 11th Feb 25 at 3:20PM

How windy? (On the summits)

Southeasterly 25 to 35mph, in places sudden gusts through passes and downslope north/west of higher tops.

Effect of the wind on you?

Prepare for marked wind chill and blustery conditions affecting comfortable walking on higher tops, gusty some lower slopes.

How Wet?

Small amounts rain or snow

Risk of a little patchy rain, or snow on some slopes, mostly toward west Wales.

Cloud on the hills?

Varied over upper slopes

Banks of cloud covering the hills for periods, most often on south-facing slopes, sometimes more extensively above 600m. Clearer toward western Cambrians.

Chance of cloud free summits?

40%

Sunshine and air clarity?

Variable high cloud, perhaps limited sun. May stay hazy and dull.

How Cold? (at 750m)

-2C east, up to locally +1C in west. Feeling like -10C if exposed to wind.

Freezing Level

Much higher mountain terrain stays frozen, but air temperature just above freezing to some higher slopes, mainly in west.

Planning Outlook

Remaining cold with nearly all mountain terrain frozen into the weekend and beyond. An east to southeasterly weather pattern prevails. Total precipitation will be small, although one or two periods where snow showers or flurries will reach mainly eastern mountains, whilst occasionally winds strengthen and a threat of precipitation on western mountains as Atlantic fronts temporarily make progress toward western Britain.