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.
Sunday's Forecast
Light wind, negligible impact
Little wind or walking hardly affected by the wind, but feeling chilly if exposed on tops. 10-15mph or less.
Dry and sunny
Extensive sunshine. The mountains free of cloud once any early mist patches disperse.
Clear
Excellent or superb visibility, no navigation issues.
Very warm
Warm conditions across the hills, rising above 15C on tops. Increasingly hot on lower terrain, reaching 25C+ in many valleys. Beware of dehydration.
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Light wind, negligible impact
Little wind or walking hardly affected by the wind, but feeling chilly if exposed on tops. 10-15mph or less.
Dry and sunny
Extensive sunshine. The mountains free of cloud once any early mist patches disperse.
Clear
Excellent or superb visibility, no navigation issues.
Very warm
Warm conditions across the hills, rising above 15C on tops. Increasingly hot on lower terrain, reaching 25C+ in many valleys. Beware of dehydration.
Viewing Forecast For
Brecon Beacons
Sunday 9th August 2026
Last updated
Sat 8th Aug 26 at
2:00PM
Summary for all mountain areas
A cold front, bringing rain and low cloud will progress only slowly southeast into central Britain. To the north, drizzly showers and low cloud will affect western mountains (mainly NW Highlands) whilst to the south mostly sunny and very warm.
Headline for Brecon Beacons
Fine and sunny.
How windy? (On the summits)
Westerly 15 to on some higher tops 20mph.
Effect of the wind on you?
Small.
How Wet?
No rain
Cloud on the hills?
Little if any
Small risk fragments late afternoon onwards southernmost slopes in South Wales.
Chance of cloud free summits?
Almost certain
Sunshine and air clarity?
Extensive sunshine, sometimes weak due to high level cloud; excellent visibility.
How Cold? (at 750m)
13 to 15C, rising to 21C eastern hills.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Monday 10th August 2026
Last updated
Sat 8th Aug 26 at
2:00PM
How windy? (On the summits)
Northwesterly 10mph.
Effect of the wind on you?
Negligible
How Wet?
Rain not expected
Cloud on the hills?
All clearing during morning
Cloud may come and go in morning on Cambrian range, but will probably clear the summits by midday.
Chance of cloud free summits?
80%
Sunshine and air clarity?
Extensive or unbroken - perhaps through areas of high level cloud. The Cambrian range possibly intermittently cloudy in morning. Excellent or superb visibility.
How Cold? (at 750m)
10C, rising to 17C or a little lower sloops nearest Cardigan Bay.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Tuesday 11th August 2026
Last updated
Sat 8th Aug 26 at
2:00PM
How windy? (On the summits)
Southerly 10 or 15mph.
Effect of the wind on you?
Mostly negligible
How Wet?
Rain not expected
Cloud on the hills?
Very unlikely
Chance of cloud free summits?
90%
Sunshine and air clarity?
More or less unbroken sunshine. Excellent or superb visibility - haze may develop east Wales.
How Cold? (at 750m)
13C rising to 23C, although a little less hot southwest Wales.
Freezing Level
Above the summits.
Planning Outlook
Extensively fine and warm until Wednesday. The almost completely dry and warm weather will then persist across England and Wales - although sometimes a little rain and low cloud toward Cumbria. Underfoot conditions will remain exceptionally dry. Scotland, especially the W& NW Highlands, will have intermittent rain and low cloud - although probably still one or two fairly brief dry periods.