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Long Range Forecast

Issued from the Met Office
at 14:00 on Wednesday, 23rd August 2017

UK Outlook for Monday 28 Aug 2017 to Wednesday 6 Sep 2017

On Monday, a band of thick cloud some outbreaks of rain and strong winds are likely to spread eastwards across the country. The rain will be heaviest in the NW and it may remain dry and warm in the southeast, although there is a small risk of one or two thundery showers continuing. Into next week, we are likely to see unsettled conditions, with spells of wet and windy weather, particularly in the northwest. It will be drier in general across the southeast, although there is a risk of some thundery showers here at times. There may be a longer spell of more settled weather in early September. Temperatures will probably be near normal, though perhaps warm at times in the south.

UK Outlook for Thursday 7 Sep 2017 to Thursday 21 Sep 2017

During this period, we are most likely to see changeable weather conditions featuring across the United Kingdom. However, there will be some dry and fine weather at times too. On balance spells of rain and strong winds are likely to dominate in the north and west, with drier and brighter weather more common in the south and east. Temperatures will probably remain close to normal for the time of year in most parts, though they may become warm or very warm at times in the south which may generate some thunderstorms.


Local Ensemble Forecasts


Forecast Information

Based on the latest output from various weather models, expert opinion and analysis by the Met Office, the long weather forecast provides guidance on expected weather conditions across the British Isles for the next 30 days.

The forecast provides useful information on the possible conditions. However, science, as yet, does not allow specific detail on, for example, the number of nights of frost, days of rain or snow. Nor will it highlight when specifically within the period any severe weather may occur.

Ensembles forecasts shown are from the latest run of the GFS computer model for Chelmsford. Apart from showing confidence levels in the short and medium range, it gives a guide of expected temperatures (minimum and maximum) and rainfall over the next two weeks.

This data is provided under licence and updated daily, normally early morning.

Chief Forecaster
Brentwood
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