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.
Sunshine and showers
A good amount of dry and bright weather, but scattered bursts of rain, some may be locally heavy.
Cool to mild
Air temperature 5 to 10C on higher terrain. Comfortable temperatures on lower terrain, but feeling chilly if exposed to wind higher up, especially if stationary. Pack extra layers.
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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.
Sunshine and showers
A good amount of dry and bright weather, but scattered bursts of rain, some may be locally heavy.
Cool to mild
Air temperature 5 to 10C on higher terrain. Comfortable temperatures on lower terrain, but feeling chilly if exposed to wind higher up, especially if stationary. Pack extra layers.
Viewing Forecast For
Brecon Beacons
Friday 8th May 2026
Last updated
Thu 7th May 26 at
4:25PM
Summary for all mountain areas
Near freezing all day on higher Scottish mountains, considerable chill factor in the north with brisk winds, though tending to ease. A few showers, snow flurries on Scottish tops, but a fair amount of dry weather for the Highlands. Lighter winds England, Wales & southern Scotland, localised heavy bursts of rain forming.
Headline for Brecon Beacons
Wind mostly light. Local heavy showers form.
How windy? (On the summits)
East-southeasterly 10-15mph, often less and direction varying, occasional stronger gusts near showers.
Effect of the wind on you?
Mostly small.
How Wet?
Showers, heavier afternoon-evening, chance thunder
Scattered showers most of the day, dry periods, but a rising risk of more frequent and heavy showers in the afternoon and into evening, Risk of isolated thunder. Some places may stay completely dry.
Cloud on the hills?
Lifting to or off summits, caps during showers
Fog at various heights in the morning, but well-broken below 600m. Lifting through morning to 800m or higher, clearing most tops, but then a risk of more often capping summits if heavier afternoon showers occur.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Largely cloudy, glimpses of sun. Variable visibility, very good during drier periods, locally very poor if heavier showers occur.
How Cold? (at 750m)
6C rising to 10C.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Saturday 9th May 2026
Last updated
Thu 7th May 26 at
4:25PM
How windy? (On the summits)
Easterly 15 to 25mph, tending to increase a little and gusty in places around high tops, later 30mph.
Effect of the wind on you?
Feeling blustery and cool over high terrain, despite mild air, some noticeable gusty spots near and west of high tops.
How Wet?
Rain unlikely
Most likely dry. Low risk of local showers forming later in day.
Cloud on the hills?
Little if any
Much cloud above the hills, but some banks may drift over tops mostly eastern areas.
Chance of cloud free summits?
80%
Sunshine and air clarity?
Sun may be often weak through a veil of high cloud. Visibility very good.
How Cold? (at 750m)
6 to 9C. Feeling nearer 0C if exposed to wind.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Sunday 10th May 2026
Last updated
Thu 7th May 26 at
4:25PM
How windy? (On the summits)
Northeasterly 25 to 35mph and notably gusty particularly morning; speeds may lessen a little only later in day.
Effect of the wind on you?
Blustery with considerable wind chill. Gusty spots affect ease of walking and balance on ridges.
How Wet?
Rain unlikely
Chance of brief spots of drizzle or light rain early in the day, mainly eastern hills, otherwise dry.
Cloud on the hills?
Early cloud largely lifting
Cloud banks drifting over higher slopes mostly eastern areas in the morning, tending to lift, but may take a few hours to fully clear. Most hills often clear afternoon.
Chance of cloud free summits?
70%
Sunshine and air clarity?
Fairly cloudy in east in morning, some occasional sun toward west Wales, sun may break through more afternoon. Visibility very good.
How Cold? (at 750m)
3 to 6C, coolest on eastern hills in morning. Feeling as cold as -8C directly in the wind in morning, -4C afternoon.
Freezing Level
Above the summits.
Planning Outlook
A chilly outlook into mid-May, with higher Scottish mountains staying near or often below freezing point as northwesterly air prevails. Higher tops in England and Wales also dropping intermittently to freezing point. Wind-speed varying day-to-day, but prepare for often considerable chill-factor on all mountains. Some frost overnight into valleys when skies are clear. Broadly showery weather over the next 10-day period, plus some fronts bringing persistent rain mostly to northwestern Scotland, often falling as snow on mountain tops, sometimes to below 600m. Drier intervals too, some days with fewer showers and broken cloud lifting above the summits, varying locally day-to-day.