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Updated: 2332 on Wed 30 Jul 2014
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Brecon Beacons: latest temperature

Wednesday, 30 July 2014: dawn to dusk

Printable view Forecast issued: 1436 on Wednesday, 30 July 2014

Overview for Thursday

Cloudy with patchy light rain at first. Showers or longer spells of rain, heavy at times and a risk of thunder later.

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 Low Extensive above 500m at first, patchy in showers later. Mainly on western slopes.
Thunderstorms Medium Medium risk of thundery showers through the afternoon.
Heavy persistent rain No Risk  
Strong Sunlight Low Moderate to high UV levels in any sunny spells.

key to hazards and forecast content

Weather summary and probability of precipitation for Thursday
Dawn to 0900 0900 to 1200 1200 to 1500 1500 to dusk
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Heavy rain showers
Heavy rain showers
10% 10% 30% 40%

Detailed mountain weather forecast: Brecon Beacons

Thursday

Weather

A cloudy start with extensive hill fog above 500m, particularly on western slopes, and some patchy light rain or drizzle. Cloud will gradually lift and break through the morning to bring some isolated sunny spells, but showers are likely to develop through the afternoon. Showers could be heavy with a risk of thunder at times and even merge to bring longer spells of rain. Winds southwesterly light to moderate throughout and feeling warm in any sunny spells.

Visibility

Excellent, moderate in rain, poor in drizzle and very poor in hill fog.

Hill fog

Extensive above 500m at first, becoming patchy and related to showers later, mainly on western slopes.

Maximum winds above 400m

West to southwesterly 15-20mph.

Temperature

Valleys Plus 15 Celsius increasing plus 22 Celsius.
800 m Plus 10 Celsius.
Freezing level Above the summits.

Friday

Weather

A generally cloudy day with light showery rain and brighter spells at first. Cloud will increase throughout the day as more persistent and heavier rain approaches from the southwest, brining extensive low cloud and hill fog as low as 400m later in the day. Winds moderate southwesterly.

Visibility

Good, moderate in rain, poor in heavy rain, very poor in hill fog.

Hill fog

Becoming extensive above 400m later in the day, mainly on western slopes.

Maximum winds above 400m

Southwesterly 15-20mph.

Temperature

Valleys Plus 15 Celsius increasing plus 22 Celsius.
800 m Plus 10 Celsius.
Freezing level Above the summits.

Outlook

Saturday

Rain, heavy at times, and associated hill fog will gradually clear the range through the latter part of the day. Sunny spells and isolated showers will then follow.

Sunday

A much drier day than Saturday. There will be a mixture of sunshine and showers throughout the day. It will be breezy, but fell warm in any sunny spells when walking out of the wind.

Monday

Another day of sunshine and showers, but winds will be lighter than on Sunday. Feeling warm again in the sunshine, but tending to cloud over more later in the day.

Neuadd Rain (near Pontsticill)

Altitude 353 metres

Rainfall measured at 15:00 Wednesday, 30 July 2014

  • Last 24 hours 0.0 mm
  • Last 48 hours 2.6 mm
  • Last 72 hours 2.6 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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