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
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.
Hot
Heatwave conditions. Very high temperatures, rising to 20C+ on high tops, approaching 30C in some valleys. Beware of heat stroke and dehydration. Carry plenty of liquid.
Strong warm sunshine
High UV levels, feeling very warm when ascending, beware of dehydration and sunburn.
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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.
Hot
Heatwave conditions. Very high temperatures, rising to 20C+ on high tops, approaching 30C in some valleys. Beware of heat stroke and dehydration. Carry plenty of liquid.
Strong warm sunshine
High UV levels, feeling very warm when ascending, beware of dehydration and sunburn.
Viewing Forecast For
Brecon Beacons
Friday 10th July 2026
Last updated
Thu 9th Jul 26 at
3:58PM
Summary for all mountain areas
Hot sunshine persists across England, Wales, and southern Scotland; valley temperatures of 30C+. Starting bright and becoming very warm most of Scottish Highlands. Rain from Lochaber northward, later moving east with heavy thundery bursts forming over central/east highlands into evening.
Headline for Brecon Beacons
Hot sunshine; fair weather cloud builds, small risk late spotty rain
How windy? (On the summits)
Generally southeasterly but variable, 10-15mph. Sustained speeds will trend lower, but variable gusts increasingly common through afternoon.
Effect of the wind on you?
Small, some nuisance gustiness forming afternoon.
How Wet?
Entirely dry most or all day
Late in the afternoon, small chance of an isolated burst of rain; most hills remain entirely dry.
Cloud on the hills?
Hills clear
Some early sea fog may drift onto low coastal slopes of the Cambrians, but this soon burning back after dawn for clear hills.
Chance of cloud free summits?
Practically certain
Sunshine and air clarity?
Strong sunshine, some thin high cloud, fair weather cloud building afternoon. Visibility good but some haze.
How Cold? (at 750m)
20C at dawn, rising to 25 or 26C; may be even warmer over Black Mountains where valley temperatures may approach 32 or 33C. Rather humid on slopes facing the sea.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Saturday 11th July 2026
Last updated
Thu 9th Jul 26 at
3:58PM
How windy? (On the summits)
Northeasterly 10-20mph. Strengthening trend into nighttime.
Effect of the wind on you?
Mostly small.
How Wet?
No rain expected
Cloud on the hills?
Hills clear
Chance of cloud free summits?
Nearly certain
Sunshine and air clarity?
Extensive sunshine, patchy fair weather cloud building afternoon. Very good visibility.
How Cold? (at 750m)
19 or 20C, rising to 23 or 24C, warmest on south slopes (valleys up to 30C).
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Sunday 12th July 2026
Last updated
Thu 9th Jul 26 at
3:58PM
How windy? (On the summits)
Easterly sustained speeds of 20-25mph, often gusting 30mph over tops, or stronger in the morning.
Effect of the wind on you?
Ease of walking affected on exposed terrain, notable buffeting gusts early reaching middle slopes.
How Wet?
No rain expected
Cloud on the hills?
Hills soon clear
Scattered ribbons of cloud on easternmost hills between 500-800m, these soon thinning and dissipating.
Chance of cloud free summits?
Above 90%
Sunshine and air clarity?
Mostly sunny, some thin high cloud. Good visibility, a light haze.
How Cold? (at 750m)
14 or 15C rising to 22C; valley temperatures approach 28C.
Freezing Level
Above the summits.
Planning Outlook
Staying warm in Scotland, hot for England and Wales into the weekend. High pressure shifts northward, facilitating a strengthening easterly wind across most areas. Some lingering cloud and rain over the Scottish Highlands Saturday with some risk of heavier thundery bursts on Saturday morning in the east. The weekend is likely dry across England and Wales with fairly extensive sun, some sea fog increasingly affecting northeastern hill groups later weekend. Easterly wind persists next week, sometimes quite strong England and Wales. Mostly sunny and very warm, including Scottish Highlands. Low pressure south of the country starts pushing showers into Wales, some heavy and thundery, though confidence is low. Detail increasing uncertain later next week, but Scotland likely stays dry.