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UK outlook issued Sunday 13th August 2017
Changeable in all regions.
Monday: Wet and windy weather affects much of the north and west. Central and south eastern England should remain dry with some brighter spells. Quite warm in the south east.
Tuesday: Rain clears away northeastwards to leave a mix of sunshine and showers. The showers become heavy and in the south east they could be thundery at times. Warm in the south east but cooler in the north west.
Wednesday: Central and eastern regions should be dry and bright. In the west the day starts fine but cloud builds and heavy outbreaks of rain develop. Quite warm in the east but cooler in central and western areas.
Thursday, Friday: Showers or longer spells of rain affect all regions, however some drier and brighter interludes are expected. Temperatures close to average in the south and slightly below in the north.
Saturday, Sunday: Possibly mostly dry and bright in the south. Northern and western areas remain more changeable with a risk of showers or longer spells of rain.
Forecast confidence is high early on but falls quickly during the second half of the week.
North to south split likely.
The north has mixed conditions and the likelihood of wet spells. In the south it is expected to be more settled but there is still the chance of some spells of rain. Temperatures generally close to the seasonal average but possibly quite cool in the north.
Forecast confidence is moderate.
During the first week of the forecast period areas of low pressure continue to dominate the weather across the UK. At times high pressure may ridge into the south but in general an Atlantic flow is set to dominate.
During the second week high pressure may begin to be more dominant, particularly across the southern half of the UK. Nonetheless there is uncertainty and quite a good chance of a predominantly Atlantic based set-up continuing.
Global Forecast System (GFS) analysis
The GFS is the computer model on which we base our 16 day weather forecasts.
The outlook remains changeable. All regions have wet weather at times but some drier periods are likely and in the south it could be quite warm at times.
For a huge range of data see the chart viewer which provides output from the HIRLAM, CFSv2, GEM, GFS, GEFS, ECM, WW3, Arpege, Arome and Fax models and works on PCs, tablet computers such as the iPad and smartphones.
The 14 day UK weather forecast is updated twice weekly.
Check the latest local weather forecasts using the place of postcode selector near the top of this page. Links below are to UK discussion and long range outlooks on the site.
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