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.
Saturday'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.
Patchy rain or drizzle
Rain on and off, or generally drizzly - total amounts small, but may be persistently damp, especially where hills are shrouded in cloud.
Clear
Excellent or superb visibility, no navigation issues.
Chilly
Air temperature typically 0 to 5C on higher summits. Feeling distinctly chilly on tops when stationary or where exposed to wind. Take appropriate layers.
Click an icon for more information or click here for a key to all icons.
Light wind, negligible impact
Little wind or walking hardly affected by the wind, but feeling chilly if exposed on tops. 10-15mph or less.
Patchy rain or drizzle
Rain on and off, or generally drizzly - total amounts small, but may be persistently damp, especially where hills are shrouded in cloud.
Clear
Excellent or superb visibility, no navigation issues.
Chilly
Air temperature typically 0 to 5C on higher summits. Feeling distinctly chilly on tops when stationary or where exposed to wind. Take appropriate layers.
Viewing Forecast For
Brecon Beacons
Saturday 2nd May 2026
Last updated
Fri 1st May 26 at
2:58PM
Summary for all mountain areas
Very varied weather across the country: wettest in far northern and later eastern Scotland as cold and blustery weather penetrates southwards. Rain will later set in from south across Wales. Otherwise, areas of low cloud and pockets drizzle lifting to give patchy sunshine.
Headline for Brecon Beacons
Most fine - but turning wet from south late in day.
How windy? (On the summits)
Generally south, later easterly; 10mph or less.
Effect of the wind on you?
Negligible
How Wet?
Rain spreading north later afternoon and evening
Extensive rain will spread north later afternoon and evening.
Cloud on the hills?
Summits mostly free of cloud.
From dawn, cloud may be below 300m on slopes in SW Wales, whilst elsewhere the hills extensively cloud free. Persistent fog will form across the hills later in the day in rain.
Chance of cloud free summits?
90%, later dropping to 20%
Sunshine and air clarity?
Sunshine gradually coming through for a few hours before high level cloud thickens. increasingly good visibility after a misty start.
How Cold? (at 750m)
8 to 13C, warmest east and mid Wales in afternoon.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Sunday 3rd May 2026
Last updated
Fri 1st May 26 at
2:58PM
How windy? (On the summits)
Low confidence in forecast due to proximity of low centre. Mostly north or northwesterly, 20 to possibly 30mph.
Effect of the wind on you?
Expect wind to impede ease of walking.
How Wet?
Heavy showers after early rain
Fairly wet underfoot after very wet night. The rain probably clearing at least briefly, perhaps soon after dawn. But heavy showers may follow, with small risk thunder.
Cloud on the hills?
Coming and going from higher slopes
Fog intermittently shrouding the hills, mainly near rain, when extensive above 600m and fragments on lower slopes.
Chance of cloud free summits?
60%
Sunshine and air clarity?
Patchy sunshine. Visibility poor in rain, but mostly very good.
How Cold? (at 750m)
8C: may feel as cold freezing point directly in the wind.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Monday 4th May 2026
Last updated
Fri 1st May 26 at
2:58PM
How windy? (On the summits)
Northwesterly 15mph, perhaps 20mph west Wales.
Effect of the wind on you?
Small
How Wet?
Very likely dry: chance brief shower
Well scattered showers may develop east Wales afternoon.
Cloud on the hills?
Clearing most or all summits during the morning
After dawn, cloud may be widespread on higher areas, particularly west Wales. Cloud base likely to rise through morning to clear most or probably all summits.
Chance of cloud free summits?
80%
Sunshine and air clarity?
Patches of sunshine, then extensive sun spreading gradually inland from Cardigan Bay afternoon. Visibility very good.
How Cold? (at 750m)
4C, rising by mid afternoon to 7 to 9C, warmest east Wales.
Freezing Level
Above the summits
Planning Outlook
Lower than normal temperatures on the mountains most or all next week, particularly across the Scottish highlands where fresh snow in some areas and freezing level sometimes below 750m. Generally though, although the weather mixed, total rainfall will be fairly small and winds often light (at least until toward the weekend). Cloud will frequently be above mountain summits.