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.
Today'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.
Hazy, some fog banks
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Visibility reduced around cloud banks, hazier on some lower slopes. Locally some improvements possible out of cloud.
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.
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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.
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
Visibility reduced around cloud banks, hazier on some lower slopes. Locally some improvements possible out of cloud.
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
Monday 9th March 2026
Last updated
Sun 8th Mar 26 at
3:30PM
Summary for all mountain areas
Humid air will bring extensive low cloud and bursts of showery rain to the mountains. However, in places breaks in the low cloud will allow sunshine through, whilst the cloud base will be very varied - making detail difficult. Windy northern and western Scottish Highlands.
Headline for Brecon Beacons
Bursts of showery rain. Fog tending to lift.
How windy? (On the summits)
South to southwesterly 10mph
Effect of the wind on you?
Small
How Wet?
Patchy rain; very little in total
Bursts, probably brief, of showery rain now and again. Some places may well stay dry, and total rainfall everywhere small.
Cloud on the hills?
Very extensive - although cloud base rising, perhaps breaking.
Very likely blanket of fog from lower slopes up from dawn - though possibly breaks to some higher slopes. Cloud base will rise from late morning, and in afternoon, most cloud will be above 450 to 600m, and may substantially clear.
Chance of cloud free summits?
10% rising to 40%
Sunshine and air clarity?
Widely dull and misty or murky morning. Patches of sunshine, perhaps extensive, will gradually come through, particularly north of Preseli and A40 (through Brecon) and visibility probably improving to be very good.
How Cold? (at 750m)
5C
Freezing Level
Above the summits
Viewing Forecast For
Brecon Beacons
Tuesday 10th March 2026
Last updated
Sun 8th Mar 26 at
3:30PM
How windy? (On the summits)
South to southwesterly; 20 to 30mph, least wind easternmost areas. Tending to strengthen, especially W Wales to 35mph.
Effect of the wind on you?
Likely to impede ease of walking on higher areas.
How Wet?
Little or no rain until dusk
Risk of an isolated brief burst of rain. Rain more widely after dark.
Cloud on the hills?
Will come and go: may clear for a few hours before lowering afternoon
Morning: cloud base widely rising to or above 600 to 800m, but may persist Preseli. Afternoon: Will deteriorate from west; across Preseli and south of A40, will form above 300 to 450m, elsewhere 450 to 600m.
Chance of cloud free summits?
30%, but 70% for a few hours middle of day.
Sunshine and air clarity?
Occasional sun - possibly more widespread sun by afternoon mid and east Wales. Excellent visibility though a haze westernmost areas.
How Cold? (at 750m)
5C.
Freezing Level
Above the summits.
Viewing Forecast For
Brecon Beacons
Wednesday 11th March 2026
Last updated
Sun 8th Mar 26 at
3:30PM
How windy? (On the summits)
Westerly up to 40mph post dawn. Will drop to typically 25 or on higher tops 30mph by midday.
Effect of the wind on you?
Expect considerable wind chill and walking to be arduous at first. By late morning, the wind still likely to impede ease of walking where exposed.
How Wet?
Showers - some hail
Occasional showers, sometimes of hail.
Cloud on the hills?
Frequently clearing
In precipitation, cloud temporarily forming below 400 to 500m. Otherwise, by midday nearly all cloud above the summits.
Chance of cloud free summits?
80% by midday
Sunshine and air clarity?
Patchwork of sunshine, most sun east Wales. Visibility mostly very good or excellent.
How Cold? (at 750m)
1C rising slowly toward 3C. Will feel like minus 8C directly in the wind.
Freezing Level
Above the summits.
Planning Outlook
Later this week - with the current mostly cloudy and hazy or murky conditions clearing on Tuesday night. Bouts of upland severe or storm force winds will reach the Scottish Highlands and gales periodically affecting other mountain areas. Freeze thaw cycles will occur on higher areas south from S Scotland whilst the Scottish Highlands experience infrequent thaw, with fresh snow sometimes reaching lower slopes, whilst extensive higher up.