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.
Tuesday's Forecast
Gale force, walking arduous
Considerable buffeting, walking into the wind will be strenuous on exposed terrain, stronger gusts may knock you off your feet. 40 to 55mph.
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.
Hazy, some fog banks
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Distant views reduced by haze, locally foggy for a time in valleys and some hill slopes.
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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Gale force, walking arduous
Considerable buffeting, walking into the wind will be strenuous on exposed terrain, stronger gusts may knock you off your feet. 40 to 55mph.
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.
Hazy, some fog banks
Distant views reduced by haze, locally foggy for a time in valleys and some hill slopes.
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
Tuesday 24th March 2026
Last updated
Mon 23rd Mar 26 at
3:55PM
Summary for all mountain areas
Widespread gales, severe early in Scotland. Showers in west Scotland, pushing east, turning snowy and setting in for a time. Near constant rain for Lakeland and Yorks Dales, becoming heavy with a rising flood risk. Rain spreads widely across England and Wales later, wind strengthens in Wales.
Headline for Brecon Beacons
Gales and drizzly rain, deteriorating late in the day
How windy? (On the summits)
Southwesterly 40 to 45mph through morning, strengthening afternoon, sustained speed approaching 55mph with strong gusts over the high tops.
Effect of the wind on you?
Arduous to difficult conditions across the hills with significant wind chill. Mobility increasingly difficult in exposure as conditions deteriorate afternoon.
How Wet?
Drizzly rain, sometimes dry, more rain later in the day
Patchy drizzly rain mostly west and southwestern areas, amounts small much of day, though the drizzle quite persistent on the high tops. As evening approaches, patches of heavier rain begin arriving, setting in for several hours into night.
Cloud on the hills?
Extensive
Shrouding the hills widely, often from 300-400m upward west and southwest of Brecon. Higher bases mostly above 600m toward Black Mountains and mid Wales.
Chance of cloud free summits?
20%
Sunshine and air clarity?
Generally cloudy, some brighter moments mainly morning and in east Wales. Visibility good where dry below cloud (some haze towards coasts), reducing if in rain, may become poor.
How Cold? (at 750m)
6C most of daylight. As evening approaches, beginning to lower, sharply dropping after nightfall to near or below freezing. Feeling like -8 to -12C in the wind.
Freezing Level
Above the summits all day, then after dark into evening, dropping rapidly onto tops, to around 600-700m overnight hours.
Viewing Forecast For
Brecon Beacons
Wednesday 25th March 2026
Last updated
Mon 23rd Mar 26 at
3:55PM
How windy? (On the summits)
Northwesterly 35 to 50mph, varying speeds with squally gusts around showers.
Effect of the wind on you?
Walking often impeded, frequent buffeting, in places more arduous over higher exposed terrain. Significant wind chill.
How Wet?
Frequent hail and snow
Showery snow and hail falling to lower slopes, frequent in west Wales from dawn, but increasingly widespread across the region. Risk of isolated thunder & lightning.
Cloud on the hills?
Varying over tops
Cloud base changing, mostly confined to highest summits above 700-800m and often lifting above. Brief patches to 600m in showers.
Chance of cloud free summits?
40%
Sunshine and air clarity?
Brief bursts of bright sun, mostly east in morning. Visibility intermittently very good, but appalling at times in showers with brief whiteout over tops.
How Cold? (at 750m)
-1 or -2C, slight rise into afternoon. Wind chill feeling like -12 to -15C on tops.
Freezing Level
500m from dawn, lifting to 700m, slightly higher away from showers.
Viewing Forecast For
Brecon Beacons
Thursday 26th March 2026
Last updated
Mon 23rd Mar 26 at
3:55PM
How windy? (On the summits)
Northerly 20-30mph early, soon easing and shifting northwesterly, 15-20mph.
Effect of the wind on you?
Walking impeded and stability affected on high exposed ridges early. Easing to fairly small effects.
How Wet?
Little or no precipitation
A few early showers may affect the Cambrians and Preseli hills, but otherwise a dry day.
Cloud on the hills?
Little expected
Ragged patches of cloud at several heights in the morning, most of the cloud on western Cambrians. Cloud begins to lift after sunrise, clearing the hills for a largely cloud-free day.
Chance of cloud free summits?
Rising to 90%
Sunshine and air clarity?
Bright sunshine in the morning, gradually weakened by building high cloud. Excellent visibility.
How Cold? (at 750m)
-1 or 0C, may start a degree cooler. Feeling like -10 to -12C in early wind.
Freezing Level
600-800m, though lower frosts likely early. Will sharply lift to above the summits overnight.
Planning Outlook
Cold, wintry conditions across all mountains into midweek - significant chill factor from gale force west then northwesterly winds. Hail and snow showers extend southwards into Wednesday, by then below freezing on all tops above 600-700m. Fewer showers by Thursday for many, though further snow then rain moves into western Scotland. Temperature and freezing level then varying as changeable westerlies prevail for Scotland through the weekend into early next week with periods of upland gales widely, accompanied by spells of rain, hill snow and hail showers; some windows of drier weather more often affect England & Wales.