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.
Monday'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
Monday 10th August 2026
Last updated
Sun 9th Aug 26 at
2:06PM
Summary for all mountain areas
Windy in northern and western Scotland, particularly morning. Elsewhere, the breeze dropping away. Periods of bright sunshine, particularly England and Wales - beware sunburn. Only occasional sunshine toward NW Scotland.
Headline for Brecon Beacons
Wind dropping. Bright sunshire.
How windy? (On the summits)
Northwest to northerly 10mph.
Effect of the wind on you?
Negligible
How Wet?
Low risk isolated shower at first
Possibly isolated brief showers west Wales until mid morning. - then dry.
Cloud on the hills?
Very little, although probably taking a few hours to clear Cambrian range
Cloud may come and go in morning on tops on Cambrian range, but will clear the summits by midday, perhaps much earlier.
Chance of cloud free summits?
Almost certain by end of morning
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
Sun 9th Aug 26 at
2:06PM
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)
14C rising to 23C, although a little less hot southwest Wales.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Wednesday 12th August 2026
Last updated
Sun 9th Aug 26 at
2:06PM
How windy? (On the summits)
Southerly 10-15mph.
Effect of the wind on you?
Negligible
How Wet?
Rain very unlikely
Cloud on the hills?
Little if any
Chance of cloud free summits?
90%
Sunshine and air clarity?
Extensive sunshine. Good visibility although a haze.
How Cold? (at 750m)
15 rising to 25C.
Freezing Level
Above the summits.
Planning Outlook
Chance of bursts of rain, possibly locally thundery on Wednesday NW England northwards, with further occasional rain (and low cloud) later in the week, mainly across the W & NW Highlands. The almost completely dry and warm weather will persist elsewhere. Underfoot conditions will remain exceptionally dry. There may well be little change in the pattern into next week.