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Updated: 0647 on Mon 30 Jun 2014
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Brecon Beacons: forecast radar

Tuesday, 22 July 2014: dawn to dusk

Printable view Forecast issued: 0541 on Tuesday, 22 July 2014

Overview for Tuesday

Fine and dry once again with plenty of warm sunny spells. Light winds.

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 spells of sunshine combined with high UV levels will bring a high risk of sunburn in exposure.

key to hazards and forecast content

Weather summary and probability of precipitation for Tuesday
Dawn to 0900 0900 to 1200 1200 to 1500 1500 to dusk
Sunny intervals
Sunny intervals
Sunny intervals
Sunny intervals
Sunny intervals
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0% 0% 0% 10%

Detailed mountain weather forecast: Brecon Beacons

Tuesday

Weather

Any shallow mist and fog patches in the valleys will soon clear after dawn to leave another fine and dry day across the park with some long spells of sunshine. It will be warm too with just a gentle breeze, and high UV levels will bring a high risk of sunburn.

Visibility

Very good, but poor in any valley mist or very poor in fog patches.

Hill fog

Nil.

Maximum winds above 400m

Northeasterly 20mph later.

Temperature

Valleys Plus 11, becoming plus 24 Celsius.
800 m Plus 15 Celsius.
Freezing level Above the summits.

Wednesday

Weather

After a mostly clear night, low cloud will spread in from the east before dawn to give areas of hill fog. This should largely lift and clear by mid-morning though, to leave another warm, dry and mostly sunny day. The odd isolated shower may develop in the afternoon, however high UV levels will again bring a high risk of sunburn.

Visibility

Very good, but very poor in hill fog.

Hill fog

Areas of stratus down to 300m during the first part of the morning, with isolated patches down to 200m over the eastern slopes.

Maximum winds above 400m

Easterly 30mph.

Temperature

Valleys Plus 12, rising to 25 Celsius.
800 m Plus 15 Celsius.
Freezing level Above the summits.

Outlook

Thursday

Many parts of the park will continue to remain generally fine with warm sunny spells, but there is an increased risk of heavy and perhaps thundery showers developing at times during the afternoon and evening. UV levels will remain high however it should feel a touch cooler than earlier in the week with a moderate easterly breeze.

Friday

Although mostly dry and bright or sunny to start, there is a risk of scattered showers developing by afternoon once again. Some of these may turn heavy and become slow-moving with just a light easterly breeze. It will feel very warm on the slopes, with high UV levels bringing a high risk of sunburn.

Saturday

It will be a cloudier start to the weekend, although still rather bright at times and feeling warm. There's a chance of some showery rain arriving from the west later in the day, perhaps bringing some hill fog. Winds will be mostly light.

Neuadd Rain (near Pontsticill)

Altitude 353 metres

Rainfall measured at 03:00 Tuesday, 22 July 2014

  • Last 24 hours 0.0 mm
  • Last 48 hours 0.0 mm
  • Last 72 hours 20.4 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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