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
Moderate breeze, locally gusty
A noticeable breeze, feeling cool where exposed on tops. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Heavy showers, hail and thunder
Bursts of rain, torrential downpours with hail, risk of thunder and lightning. Seek shelter where possible.
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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Moderate breeze, locally gusty
A noticeable breeze, feeling cool where exposed on tops. Locally may be gusty, but unlikely to affect walking progress. 15-25mph.
Heavy showers, hail and thunder
Bursts of rain, torrential downpours with hail, risk of thunder and lightning. Seek shelter where possible.
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 10th November 2025
Last updated
Sun 9th Nov 25 at
4:00PM
Summary for all mountain areas
Heavy rain for much of the Highlands from dawn into the morning, moving northwards, clearing to leave patchy rain, local showers in west; cloud base rising. Some showery rain in the Lakes, drier Pennines. Showers in Wales merging into clusters of heavy rain. Moderate to locally gusty southerly winds.
Headline for Brecon Beacons
Gusty winds. Rain and heavy showery bursts become frequent.
How windy? (On the summits)
South to southwesterly 15 to 25mph, speeds likely to vary, at times gusty 30mph over higher terrain.
Effect of the wind on you?
Feeling noticeably blustery at times on exposed higher terrain; may start to affect comfortable walking; marked wind chill.
How Wet?
Heavy showery bursts, chance thunder
Patchy showery rain at first developing into clusters of heavier showers, some bursts with hail, chance of isolated thunder into middle of day and afternoon. Rain remains on and off into afternoon.
Cloud on the hills?
Fairly extensive, lowest in rain
Shrouding the hills most or all day, some occasional breaks where dry in mid-Wales, but lowering extensively in rain above 400-600m.
Chance of cloud free summits?
20%
Sunshine and air clarity?
Rare glimpses of sun mostly morning. Visibility good for a time when dry, but poor during rain.
How Cold? (at 750m)
5 or 6C. Feeling below freezing if exposed to wind, nearer -5C at times on high tops.
Freezing Level
Above the summits
Viewing Forecast For
Brecon Beacons
Tuesday 11th November 2025
Last updated
Sun 9th Nov 25 at
4:00PM
How windy? (On the summits)
Southerly, strengthening rapidly overnight up to dawn, 45 to 60mph all day, gusts becoming often 70mph high tops.
Effect of the wind on you?
Difficult walking conditions higher terrain, powerful gusts knocking you off your feet. Marked wind chill despite mild air.
How Wet?
Rain and drizzle, heavier later
Several hours of constant rain from dawn, heavy west and south, may then fade to lighter rain and drizzle, but later likely prolonged heavier rain setting in again from the west, ongoing into evening.
Cloud on the hills?
Extensive, lowest south
Blanket low cloud across the hills, from lower slopes up in southern areas. Highest bases to 500-600m eastern mid Wales.
Chance of cloud free summits?
Below 10%
Sunshine and air clarity?
Overcast and murky.
How Cold? (at 750m)
Rising from before dawn to 6C, soon up to 9C; only small fall with height. Feeling like -5C directly in the wind.
Freezing Level
Above the summits
Viewing Forecast For
Brecon Beacons
Wednesday 12th November 2025
Last updated
Sun 9th Nov 25 at
4:00PM
How windy? (On the summits)
South-southwesterly 20-30mph, tending to strengthen, risk later in day and into evening 40mph.
Effect of the wind on you?
Possibly fairly small for a time, but risk increasingly blustery, becoming more challenging with time.
How Wet?
Risk rain setting in heavier again
Very wet underfoot with streams in spate and flooding following previous rain. Possibly only patchy rain or drizzle early in day, but risk rain soon setting in again, sustained heavy rain returning.
Cloud on the hills?
Extensive
Likely to shroud the hills all day, to lower elevations southern areas. Some higher bases for a time mid-Wales, but blanketing all hills widely to low levels during rain.
Chance of cloud free summits?
10%
Sunshine and air clarity?
Overcast, misty in most areas, increasingly murky and dull, poor visibility in constant rain.
How Cold? (at 750m)
9C. Feeling like 0C or below if in stronger wind.
Freezing Level
Above the summits
Planning Outlook
Unsettled south-southwesterlies through midweek, periods of heavy rain widespread, further flooding for Wales, the Lakes and southwest Scotland. Mountain gales on Tuesday for England, Wales, S & E Scotland. Cooler than recently in Scotland, but still generally mild England and Wales by day and night. Later in the week, colder air pushes into Scotland, dropping below freezing over the mountains, with some snow over higher terrain in the Highlands on Thursday-Friday; strong to gale force easterly winds develop widely. Colder northeasterly air is expected to become more widespread into the weekend and next week.