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Updated: 0811 on Mon 30 Jun 2014
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Zoom map SW Scotland, Lothian Borders North West England North East England Yorkshire & Humber Wales East Midlands West Midlands East of England London & South East England South West England Northern Ireland Central, Tayside & Fife Grampian Highlands & Eilean Siar Orkney & Shetland Strathclyde

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Snowdonia: forecast pressure

Monday, 1 September 2014: dawn to dusk

Printable view Forecast issued: 1607 on Monday, 1 September 2014

Overview for Tuesday

A largely fine day with sunny spells and 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 No Risk  

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
Sunny
0% 0% 0% 0%

Detailed mountain weather forecast: Snowdonia

Tuesday

Weather

Any early valley mist or fog patches should soon clear in the morning, then a largely fine day with bright or sunny spells and light winds. Feeling warm in the sunshine. Cloud will tend to increase as the day progresses, so the best of the sunshine will, be in the morning.

Visibility

Generally good, but very poor in hill fog.

Hill fog

Just occasional patches around the higher summits, especially into the afternoon.

Maximum winds above 500m

Northeast becoming southeast 15 mph.

Temperature

Valleys Plus 9 Celsius becoming plus 18 Celsius.
900 m Plus 10 Celsius.
Freezing level Well above the summits.

Wednesday

Weather

Another largely dry and fine day, though probably cloudier than Tuesday, with only limited bright spells. The best of any sunshine will be towards the west of the park.

Visibility

Generally good, but very poor in hill fog.

Hill fog

Patches around the peaks.

Maximum winds above 500m

Southeast 15 mph.

Temperature

Valleys Plus 11 Celsius becoming plus 18 Celsius.
900 m Plus 10 Celsius.
Freezing level Well above the summits.

Outlook

Thursday

Largely dry and fine with some bright or sunny spells. A gentle southeasterly breeze. Freezing level well above the summits.

Friday

A fairly cloudy day, the cloud perhaps thick enough for the odd spot of light rain or drizzle, mainly over high ground. A gentle easterly breeze. Freezing level well above the summits.

Saturday

Similar to Friday with large amounts of cloud, chance of a little drizzle, but also the odd brighter spell. A gentle northeasterly breeze. Freezing level well above the summits.

Observations

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Weather warnings for Wales

Weather forecast for Wales

The Enhanced Mountain forecast for Snowdonia 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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