Includes all higher summits in the southern half of Wales: the Bannau Brycheiniog / Brecon Beacons National Park, southern Cambrian Mountains and highest Preseli hills.
Brecon Beacons
Thursday 27th March 2025
Last updated
Wed 26th Mar 25 at
2:33PM
Widespread upland severe gales and rain across Scotland - although breaks in the rain some eastern and far northern areas (sometimes snow higher tops far north). South into England and Wales, less windy, particularly morning and away from hills open to the sea to the southwest, very little if any rain.
Increasingly windy developing; chance drizzle.
Southwesterly 20 to late in day in west and southwest Wales 35mph.
Starting to affect comfortable walking on exposed higher terrain.
A little light rain
A few patches of drizzle, mostly or only SW Wales. Rain unlikely east Wales.
Extensive west Wales
Blanket low cloud much of the day avoid 300 to 450m SW Wales and a little higher Cambrian range. Highest bases east Wales, where most cloud 600m or above.
20% SW Wales to 70% east
Sunshine only rarely SW Wales, and perhaps Cambrian range. Increasingly sunny eastwards toward eastern Beacons and Black Mountains. Very good or excellent visibility, but dropping in rain.
5C. Feeling below freezing point on higher tops afternoon.
Above the summits
Brecon Beacons
Friday 28th March 2025
Last updated
Wed 26th Mar 25 at
2:33PM
Westerly 30mph; squally near showers.
Considerable wind chill. Sudden buffeting, especially near precipitation.
Hail showers, chance isolated lightning
Hail and snow showers, mainly afternoon, low risk isolated thunder. Precipitation mostly rain below 600m.
Intermittently covering higher tops.
Cloud base changing in and out of showers: mostly above 700m, clearing most tops periodically (especially east Wales), but patches below 500m in showers.
70%
Patchy sun, particularly east Wales. Slight haze.
1C. Will feel as cold as minus 8C directly in the wind.
Just above highest summits
Brecon Beacons
Saturday 29th March 2025
Last updated
Wed 26th Mar 25 at
2:33PM
Westerly 10 to 15mph, perhaps 20mph west Wales by dusk.
Small.
Little or no rain
Substantially completely dry. Risk of a little drizzle west Wales.
Probably extensive on highest tops
Cloud base typically 650 to 900m by late morning. May lower onto higher slopes SW and W Wales late in day.
80%
Patchwork of sunshine - though may turn cloudy (or more cloudy) from west through afternoon. Very good or excellent visibility.
1 rising to 4C.
Above the summits.
Frequently windy with intermittent rain (or widely snow and hail showers on Friday) until early next week. Pressure is then likely to build markedly over and east of Britain, bringing the return of dry and sometimes warm and sunny weather for much of next week.