Met Office: Brecon Beacons: latest pressure

Skip Navigation • Accessibility • Help •

Home Weather UK Mountain area forecasts

Overview for Monday

Any early patches of mist, fog or ground frost will disappear during the morning to leave a dry day with sunny spells.

Hazards	Risk	Explanation
Blizzards	No Risk
Heavy snow	No Risk
Storm force winds	No Risk
Gales	No Risk
Severe chill effect	No Risk
Persistent and extensive hill fog	No Risk
Thunderstorms	No Risk
Heavy persistent rain	No Risk

Hazards

Risk

Explanation

Blizzards

No Risk

Heavy snow

No Risk

Storm force winds

No Risk

Gales

No Risk

Severe chill effect

No Risk

Persistent and extensive hill fog

No Risk

Thunderstorms

No Risk

Heavy persistent rain

No Risk

Weather summary and probability of precipitation for Monday
Dawn to 0900	0900 to 1200	1200 to 1500	1500 to dusk
Fog	Sunny intervals	Sunny intervals	Sunny intervals
0%	0%	0%	0%

Weather summary and probability of precipitation for Monday

Dawn to 0900

0900 to 1200

1200 to 1500

1500 to dusk

Fog

Sunny intervals

Detailed mountain weather forecast: Brecon Beacons

Monday
Tuesday
Outlook

Monday

Weather

Any early patches of mist, fog or ground frost will disappear during the morning to leave a dry day with sunny spells.

Visibility

Out of cloud it will be locally poor at first but it will become generally good or very good during the morning. In any cloud it will be 200 metres or less.

Hill fog

There will be occasional patches of fog at just about any level at first, although these will gradually lift and disperse during the morning leaving the summits clear by midday.

Maximum winds above 400m

West to northwesterly 15 to 20 mph with gusts to 25 mph.

Temperature

Valleys	Plus 1 Celsius at first but rising as high as plus 9 Celsius for a time in the afternoon.
800 m	Plus 1 Celsius at first but rising to plus 3 Celsius for a time.
Freezing level	It should be just above the summits throughout.

Tuesday

Weather

Any early patches of mist, fog and frost will disappear during the morning to leave a dry day with plenty of sunshine.

Visibility

Locally poor at first but becoming generally good during the course of the morning, although a slight haze may limit the views a bit.

Hill fog

Nothing significant.

Maximum winds above 400m

Variable 0 to 10 mph becoming southerly 15 to 20 mph.

Temperature

Valleys	Minus 2 Celsius at first but rising as high as plus 9 Celsius for a time in the afternoon.
800 m	Minus 1 Celsius at first but rising to plus 3 Celsius for a time.
Freezing level	The temperature will be sub-zero at all levels at first but the main freezing level will rise above the summits during the course of the morning.

Outlook

Wednesday

A cloudy and fairly windy day with a few patches of rain or drizzle at times, along with extensive hill fog over western and southern slopes. Winds fresh or strong southwesterly.

Thursday

It will be a cloudy day, although apart from a few spots of light rain or drizzle the morning should be dry. Widespread and often heavy rain will spread in from the west to leave a wet and windy afternoon. Winds strong rising to gale force southwesterly.