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Brecon Beacons Forecast

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.

Friday's Forecast

Windy, walking impeded
Patchwork of cloud and sun
Cold

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Click here to download the latest PDF Last Updated Thu 25th Dec 25 at 4:20PM Last Updated Thu 25th Dec 25 at 4:20PM
View our low-graphics version Last Updated Thu 25th Dec 25 at 4:20PM Last Updated Thu 25th Dec 25 at 4:20PM

Viewing Forecast For

Brecon Beacons
Friday 26th December 2025
Last updated Thu 25th Dec 25 at 4:20PM

Summary for all mountain areas

Generally dry, apart from chance of odd light showers eastern Scotland. Sunshine over most Scottish mountains - the tops warmer than glens above an inversion; patchy low-level fog or cloud banks some slopes. Easterly winds remain strong and gusty England and Wales, feeling bitterly cold in exposure despite plenty of sun.

Headline for Brecon Beacons

Strong and gusty wind, feeling cold. Hills mostly clear with sun.

How windy? (On the summits)

Easterly 30 to 40mph, stronger gusts 45mph around some tops and high passes; locally also gusty downslope west of high tops.

Effect of the wind on you?

Strenuous walking with significant wind chill in exposure over high terrain, in places buffeting gusts affecting balance, not just on highest terrain.

How Wet?

Dry all day

Cloud on the hills?

Patches around some tops in morning

Some patchy cloud above 600-700m mainly eastern hills, particularly early morning - highest summits may be near top of this cloud; good breaks likely, or may largely clear.

Chance of cloud free summits?

80% rising above 90%

Sunshine and air clarity?

Mix of cloud and sun, best in west, may become increasingly sunny. Visibility good, but distant slight haze.

How Cold? (at 750m)

0 or -1C, small variation with height. Feeling like -10 to -15C directly in the wind.

Freezing Level

Near freezing all elevations from dawn, staying mostly sub-zero above 600m, but above freezing some western slopes.

Viewing Forecast For

Brecon Beacons
Saturday 27th December 2025
Last updated Thu 25th Dec 25 at 4:20PM

How windy? (On the summits)

Easterly 30 to 45mph, very gusty around some tops, high passes and downslope toward the west.

Effect of the wind on you?

Affecting comfortable walking and balance over tops and ridges, sudden buffeting gusts in places; considerable wind chill.

How Wet?

Rare if any light rain

Largely dry; chance of an odd brief spot of light rain mainly eastern hills.

Cloud on the hills?

Patches high tops toward east

Patchy cloud banks mostly above 700m and toward east and mid Wales; patchier over much of Brecon Beacons and western Cambrians, often above tops.

Chance of cloud free summits?

70%

Sunshine and air clarity?

Fairly cloudy, but some sun best toward west. Visibility very good.

How Cold? (at 750m)

1 to 3C, coolest in east, locally warmer western slopes. Feeling like -10C directly in the wind.

Freezing Level

Some terrain partly frozen; close to freezing some upper slopes and patchy slight frost in sheltered valleys in morning.

Viewing Forecast For

Brecon Beacons
Sunday 28th December 2025
Last updated Thu 25th Dec 25 at 4:20PM

How windy? (On the summits)

Easterly 15 to 25mph, some stronger gusts possible around higher mountains.

Effect of the wind on you?

Fairly small, but noticeably blustery and gusty around exposed tops and ridges, giving marked wind chill.

How Wet?

Dry all day

Cloud on the hills?

Mostly little

Thin patches of cloud may graze higher slopes above 700m occasionally, mainly eastern areas.

Chance of cloud free summits?

80%

Sunshine and air clarity?

Often sunny west and south, some broken cloud and sun east-mid Wales. Visibility very good, some distant haze.

How Cold? (at 750m)

0C. Feeling like -7C directly in the wind.

Freezing Level

Near or just below freezing above 700m, also frost some sheltered valleys in morning.

Planning Outlook

Dry weather continues into the weekend as a strong area of high pressure resides near or north of Scotland. Inversion conditions Scottish mountains, high tops generally above freezing and above most patchy cloud, some frost and fog in glens. Gusty east-northeasterly wind increasing for Scotland by Saturday, easing again for Sunday. Strong and gusty winds prevail for England and Wales, often cloudy, a little light rain occasionally Pennines; some sun toward west.