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Sunday starts with patchy rain in western Britain but elsewhere it is dry. In southern, central and eastern areas the rest of the day will be dry with warm periods of sunshine. The west remains cloudy and damp, and this afternoon heavier outbreaks of rain push into Northern Ireland and western Scotland.

It will be a warm day in the sunny areas. Temperatures in the south reach about 25C (77F) and even eastern Scotland could see 23C (73F). See the rain and lightning radar for the latest view.

Meteo France Arpege, forecast rain, 16:00 BST Sun 2nd September

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Tonight a band of rain slowly move southeastwards reaching Wales and northern England by the morning. To the north west and south east it will be dry with clear periods.

Tomorrow outbreaks of rain affect the south west, Wales and northern England. At times they could be heavy but in the afternoon it turns drier in the south west. Ahead to the south east have another warm and dry day. Sunny spells also develop to the north west of the wet areas but it will be cooler.

Meteo France Arpege, forecast rain, 16:00 BST Mon 3rd September

North Sea low pressure threat

On Tuesday the remnants of the disturbance which brought Monday's rain may keep it cloudy in southern England but it should be mostly dry. High pressure will be building in from the west and with cooler air flowing around it temperatures are expected to be lower than in recent days.

Wednesday is looking dry and bright in England and Wales. In Scotland and Northern Ireland there is an increasing risk of a cloud and rain. Temperatures will generally be close to the early September average. 

Through Thursday and Friday it looks as though a cool northeasterly flow will develop as high pressure becomes centred to the north and west of the UK. Some computer model runs are showing a deep area of low pressure spinning up over the North Sea and that has the potential to deliver a wet and windy spell of weather. At this stage the details are very uncertain.  

GFS, forecast pressure and rain, 16:00 BST Fri 7th September

By the weekend high pressure probably builds across the southern half of the UK again. The north remains under a more changeable westerly air stream.

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16 day GEFS ensembles at a glance

A good deal of dry weather is shown for much of the country during the next 16 days. Upper air temperatures often remain above the 30 year average. View latest GEFS.