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.
Monday'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.
Snow and rain mix
Precipitation falling mostly as snow on higher terrain, rain on low-to-middle elevations, may turn to sleet or rain higher up.
Poor visibility
Murky conditions with areas of fog shrouding the hills, making navigation challenging. Map and compass essential.
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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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.
Snow and rain mix
Precipitation falling mostly as snow on higher terrain, rain on low-to-middle elevations, may turn to sleet or rain higher up.
Poor visibility
Murky conditions with areas of fog shrouding the hills, making navigation challenging. Map and compass essential.
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 16th February 2026
Last updated
Sun 15th Feb 26 at
3:30PM
Summary for all mountain areas
Snow over northwestern mountains in Scotland will tend to extend further into Lochaber and Cairngorms by afternoon as NW'ly winds strengthen, some hail mixed in. Strong westerlies for England, gale-force on Welsh mountains, heavy showers merging into longer periods rain, snow confined to higher tops.
Headline for Brecon Beacons
Windy, gales over tops. Showery rain, hail, some snow tops.
How windy? (On the summits)
Westerly 35 to 45mph, squally stronger gusts at times in heavier showers. At times 50mph higher Brecon Beacons in morning. Tending to lessen a little from north later afternoon.
Effect of the wind on you?
Challenging walking conditions, considerable buffeting with gusts knocking you off balance. Significant wind chill.
How Wet?
Showery rain, snow tops, hail; risk more persistent with time.
Showers, merging into more frequent precipitation western Cambrians, setting in persistently heavier over an hour or more, likely advancing southwards across the region during afternoon. Snow falling over hills above 600-700m, wetter to tops afternoon. Risk of hail and isolated thunder.
Cloud on the hills?
Extensive
Cloud base varying, between 400m near precipitation and otherwise 600 to occasionally above 750m east Wales.
Chance of cloud free summits?
30%
Sunshine and air clarity?
Occasional sunshine - mainly lower slopes east Wales. Very varied visibility; very poor or appalling in snow, but otherwise excellent.
How Cold? (at 750m)
1 or 2C. Then dropping overnight toward -2C. Daytime wind chill feeling like -10 to -15C on exposed higher areas.
Freezing Level
800m in morning, lifting just above highest summits. Then well into night dropping below 600m, frost forming into some valleys.
Viewing Forecast For
Brecon Beacons
Tuesday 17th February 2026
Last updated
Sun 15th Feb 26 at
3:30PM
How windy? (On the summits)
Northerly 20 to 25mph early morning, risk stronger up to dawn, but dropping, to NE'ly 15mph, or less during afternoon.
Effect of the wind on you?
Prepare for considerable wind chill in the morning, blustery conditions for a few hours at least, but improving.
How Wet?
Precipitation not expected
Cloud on the hills?
Very little if any
Chance of cloud free summits?
90%
Sunshine and air clarity?
Bright sunshine, possibly thin high cloud toward south, mainly later. Superb visibility.
How Cold? (at 750m)
0 to -2C. Early in day, feeling like -8C directly in the wind, easing.
Freezing Level
500 to 700m, lowest toward east.
Viewing Forecast For
Brecon Beacons
Wednesday 18th February 2026
Last updated
Sun 15th Feb 26 at
3:30PM
How windy? (On the summits)
Southeasterly 40-50mph; constant powerful gusts over high terrain, topping out at 70mph.
Effect of the wind on you?
Widely challenging conditions with severe wind chill; powerful gusts make staying on your feet constantly difficult.
How Wet?
May be entirely dry
Detail uncertain: The day could be substantially or entirely dry, but always a risk of patchy snow on southern and western hills, the risk rising late in the day.
Cloud on the hills?
Mostly just high terrain
Cloud banks graze the high tops from time to time, gradually becoming more frequent and may more extensively cover high terrain late in the day.
Chance of cloud free summits?
80%, may lower with time
Sunshine and air clarity?
Often cloudy but with weak sun shining through at times. Very good visibility but some early haze.
How Cold? (at 750m)
-2 or -3C. Feeling like -20C or colder in exposure.
Freezing Level
300-400m, rising on northern and western slopes, up to 500-600m.
Planning Outlook
Much terrain frozen into midweek, frost into valleys and glens. Uncertain extent of strengthening winds by Wednesday, and possible snow moving into Wales. Late in the week and through next weekend, a switch to southwesterly winds is expected, bringing a change to milder conditions - lifting above freezing to tops in England and Wales, and generally higher freezing levels in Scotland; periods of thawing likely over the mountains, though some further snowfall at times on higher Munros. Rain most frequent over western hills. Generally windy with upland gales.