Brecon Beacons Forecast

Viewing Weather Forecast for Wednesday 15th August 2018

Also includes all higher summits in southern half of Wales.

Today | Thursday | Friday

Forecast last updated on Tuesday 14th August 2018 at 1:43pm

Summary for all mountain areas

Strong southwesterly winds, reaching near gale force on some tops, will result in low cloud shrouding the hills, extensively and to lower slopes in the west where rain and drizzle will be frequent. Highest cloud bases likely over the Cairngorms.

Headline for Brecon Beacons

Windy with extensive fog on the hills and patchy drizzle.

How windy? (On the summits)

Southwesterly 25 to 35mph, perhaps later in day on higher top 40mph.

Effect of wind on you?

Walking arduous across the hills, especially afternoon.

How Wet? (Precipitation and its impact)

Pockets drizzle

Drizzly rain here and there, mainly southern Brecon Beacons westwards. Heavier rain spreading into mid/south Wales from Cardigan Bay into the evening.

Cloud on the hills?

Extensive: covering lower summits

Extensive fog across many mountains, widely forming below 300m southern Brecon Beacons westwards, and widely 300 to 500m. Highest bases will be across the Black Mountains.

Chance of cloud free summits?


Air clarity (below cloud)

Dull with frequent poor visibility, although good visibility and a little sunshine east Wales.

How Cold? (at 750m)


Freezing Level

Above the summits.

Planning Outlook

All mountain areas of Britain from Thursday 16th August 2018

Rain (a mix of showery days and those when rain sets in for a few hours) at some stage most days over the coming week or so. The heaviest and most persistent rain will be on western mountains, where fog will frequently shroud higher areas. Bands of upland gales or near gales will come through; the windy conditions most prolonged on the Scottish Highlands.