Mountain Weather
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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

Light wind, negligible impact
Hazy, some fog banks
Chilly

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Click here to download the latest PDF Last Updated Thu 5th Nov 26 at 12:03PM Last Updated Thu 5th Nov 26 at 12:03PM
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Viewing Forecast For

Brecon Beacons
Friday 6th November 2026
Last updated Thu 5th Nov 26 at 12:03PM

Summary for all mountain areas

Fairly light wind and scattered patches of light rain, amounting to little in total. Cloud base will vary, extensive on higher mountains, but lower down some slopes cloud free, whilst sometimes adjacent slopes remain foggy (or even between cloud layers) - with changes occurring only slowly.

Headline for Brecon Beacons

Light wind. Extensive fog higher areas.

How windy? (On the summits)

East or southeasterly, 10mph or less.

Effect of the wind on you?

Negligible

How Wet?

Little or no rain.

Most areas dry. But a pockets of very light rain likely here and there.

Cloud on the hills?

Extensive, particularly more eastern hills morning

BBroadly, cloud base will rise slowly through the day, base typically 600 or 700m. However, areas of fog will 'hang' on lower slopes (above 300 or 450m), particularly those in east Wales, most or all day, whilst others clear.

Chance of cloud free summits?

40%

Sunshine and air clarity?

Patches of sunshine, mainly Brecon Beacons and SW Wales. Very hazy and misty in rain.

How Cold? (at 750m)

4C

Freezing Level

Above the summits.

Viewing Forecast For

Brecon Beacons
Saturday 7th November 2026
Last updated Thu 5th Nov 26 at 12:03PM

How windy? (On the summits)

Direction varied 10mph or less.

Effect of the wind on you?

Negligible

How Wet?

Risk patches of drizzly rain

Particularly mid and east Wales risk drizzly rain for an hour or two - total rainfall small.

Cloud on the hills?

May break off at least some higher areas.

Confidence low: Low cloud may affect much of region above 200-400m. However, there may be breaks, possibly substantial to higher slopes, particularly west Wales.

Chance of cloud free summits?

30%

Sunshine and air clarity?

Cloudy or dull and extensively misty or foggy east Wales. A little sun here and there but still hazy west Wales.

How Cold? (at 750m)

4C

Freezing Level

Above the summits.

Viewing Forecast For

Brecon Beacons
Sunday 8th November 2026
Last updated Thu 5th Nov 26 at 12:03PM

How windy? (On the summits)

Direction varied 10mph or less.

Effect of the wind on you?

Negligible

How Wet?

Risk of a little drizzle, total rainfall small

Little change with risk of a few further pockets of light or very light drizzle.

Cloud on the hills?

Extensive; cloud base sometimes very different on nearby slopes

Detail uncertain: Cloud extensive highest slopes. Lower down, fog clinging to many slopes from valleys up most or perhaps all day, whilst others become fog free or are between layers of cloud.

Chance of cloud free summits?

10%

Sunshine and air clarity?

Cloudy or dull with extensive fog - but generally becoming brighter with glimpses or patches of sun developing.

How Cold? (at 750m)

6C

Freezing Level

Above the summits.

Planning Outlook

High pressure will continue to be the main influence into next week, particularly W & NW Highlands where extensively dry and wind often light. However, disappointing for other areas as 'gloomy' conditions predominate" patches of light rain and extensive low cloud and fog. Into next week, an area of low pressure will bring rain and wind in from the southwest but northern Scotland may escape most or all the rain.