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Not available Not available Not available Not available Not available Not available Not available 2200 on Thu 17 Apr 2014 0100 on Fri 18 Apr 2014 0400 on Fri 18 Apr 2014 0700 on Fri 18 Apr 2014 1000 on Fri 18 Apr 2014 1300 on Fri 18 Apr 2014 1600 on Fri 18 Apr 2014 1900 on Fri 18 Apr 2014 Night-time Fri 18 Apr 2014 Daytime Sat 19 Apr 2014 Night-time Sat 19 Apr 2014 Daytime Sun 20 Apr 2014 Night-time Sun 20 Apr 2014 Daytime Mon 21 Apr 2014 Night-time Mon 21 Apr 2014
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Updated: 1957 on Thu 17 Apr 2014
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Brecon Beacons: forecast temperature

Thursday, 17 April 2014: dawn to dusk

Printable view Forecast issued: 1514 on Thursday, 17 April 2014

Overview for Friday

A cold start, followed by a dry day with long, warm 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  
Strong Sunlight Medium Long sunny spells throughout the day.

key to hazards and forecast content

Weather summary and probability of precipitation for Friday
Dawn to 0900 0900 to 1200 1200 to 1500 1500 to dusk


Sunny intervals
Sunny intervals
Sunny
Sunny
0% 0% 0% 0%

Detailed mountain weather forecast: Brecon Beacons

Friday

Weather

Clear spells and light. mainly northerly, winds overnight leading to a cold start with frost and some patchy valley mist. It will be a dry day with long spells of warm sunshine with winds remaining light. Some patchy cloud for a time through the morning, clearing by lunch time. It will feel pleasantly warm when walking.

Visibility

Excellent or very good, very poor in any hill fog.

Hill fog

Isolated patchy cloud from 600m at first. Lifting and clearing quickly after dawn.

Maximum winds above 400m

North to north-easterly 10-15mph at first.

Temperature

Valleys Plus 3 Celsius becoming plus 14 Celsius.
800 m Plus 1 Celsius becoming plus 5 Celsius.
Freezing level Above summits.

Saturday

Weather

A cold start after clear skies overnight. Another dry day with plenty of warm sunshine throughout, through becoming slightly hazy later. Winds remaining mainly light and easterly resulting some patchy cloud at first. Conditions will be pleasantly warm while walking and care should be taken in the sunshine.

Visibility

Excellent, reducing moderate to good in haze later. Very poor in any hill fog.

Hill fog

Patchy cloud at 500m at first, soon clearing.

Maximum winds above 400m

Easterly 10-15mph, gusting 25mph at times.

Temperature

Valleys Plus 2 Celsius becoming plus 14 Celsius.
800 m Plus 5 Celsius.
Freezing level Above summits.

Outlook

Sunday

A fine a dry start with cloud building from the east throughout the day, bringing hill fog through the afternoon. Winds also increasing from the northeast and rain arriving later. It will be noticeably colder that previous days.

Monday

A dull, cloudy day with rain at times throughout. There will be some brighter spells at times too, but hill fog will be extensive above 500m. Winds remaining fresh to strong from the northeast, making walking difficult at times and also keeping temperatures down. Care should be taken.

Tuesday

Drier and less windy than on Monday. Still a generally cloudy day with extensive hill fog for the highest peaks and spells of rain or drizzle throughout the day. However, there will be more in the way of brighter spells.

Neuadd Rain (near Pontsticill)

Altitude 353 metres

Rainfall measured at 15:00 Thursday, 17 April 2014

  • Last 24 hours 0.0 mm
  • Last 48 hours 0.0 mm
  • Last 72 hours 0.0 mm

Rainfall data provided by the Environment Agency. The Met Office is not responsible for content provided by third parties and may remove this data without warning.

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Weather warnings for Wales

Weather forecast for Wales

The Enhanced Mountain forecast for Brecon Beacons has been discontinued. All forecast information for these locations can be found in the standard Mountain forecast above.

North East England West Midlands Grampian South West England Central, Tayside & Fife Northern Ireland North West England East of England Highlands & Eilean Siar Strathclyde Wales East Midlands SW Scotland, Lothian Borders London & South East England Yorkshire & Humber

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