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Updated: 0232 on Sat 23 Aug 2014
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Brecon Beacons: latest weather

Friday, 22 August 2014: dawn to dusk

Printable view Forecast issued: 1435 on Friday, 22 August 2014

Overview for Saturday

Sunshine and isolated showers throughout the day.

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 High Long sunny spells with moderate to high UV levels.

key to hazards and forecast content

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

Sunny intervals
Sunny intervals
Sunny intervals
Sunny intervals
0% 0% 0% 10%

Detailed mountain weather forecast: Brecon Beacons



Generally dry with clear spells through the early hours will lead to a chilly start to the day. It will then be a mainly dry day with plenty of sunny spells and the odd isolated shower possible. It will feel pleasant when walking on southern sheltered slopes in the sun. There will be a fresh northwesterly breeze.


Generally excellent, moderate in any showers.

Hill fog

Cloud bases remaining above the summits.

Maximum winds above 400m

Northwesterly 20-25mph.


Valleys Plus 7 Celsius becoming plus 17 Celsius.
800 m Plus 6 Celsius becoming plus 9 Celsius.
Freezing level Above the summits, though frost possible in valleys at first.



A dry, bright and cold start but cloud will increase from the west through the morning and winds will become southwestery and increase. Rain, possibly heavy at times, will reach the range by the evening bringing cloud bases as low as 400m into the evening.


Excellent at first, moderate in rain, poor in heavy rain, very poor in hill fog.

Hill fog

Nil for most of the day, becoming extensive at 400m over southern and western slopes through the evening.

Maximum winds above 400m

Northwesterly 15-20mph, backing southwesterly 20-25mph later.


Valleys Plus 6 Celsius becoming plus 15 Celsius.
800 m Plus 5 Celsius becoming plus 9 Celsius.
Freezing level Above the summits, though frost possible in valleys at first.



A wet and windy Bank Holiday Monday over the range. Rain will be heavy at times with winds fresh to strong throughout. Rain will tend to ease later in the day.


Rain will clear to the south through the day, but timings are unclear at this stage. Mainly dry conditions with isolated showers will follow and winds tending to ease.


A generally dry and bright start to the day, but cloud will build through the day with rain arriving later. Again timings for the arrival of the rain are unclear at this stage.

Neuadd Rain (near Pontsticill)

Altitude 353 metres

Rainfall measured at 15:00 Friday, 22 August 2014

  • Last 24 hours 0.0 mm
  • Last 48 hours 0.4 mm
  • Last 72 hours 0.6 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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