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The seasonal forecast is updated every three months. Spring - March 1st, Summer - June 1st, Autumn - September 1st, Winter - December 1st.
Forecast Issued 01/06/2019
Important note about long range weather forecasts: It is considered impossible to say with certainty what the weather will be like more than a few days ahead in the UK. Long range forecasts on TheWeatherOutlook have not been independently verified, and we make no claims for their accuracy. A range of factors including seasonal computer models, recent weather patterns, sea surface temperatures and teleconnections are considered when making the forecasts.
The forecast headline is for a warmer than average summer in most of the UK. On balance there is considered to be a greater chance of above rather than below average rainfall.
The aggregated Central England Temperature (CET) for June, July and August is forecast to be 0.5C to 1.5C above the average.
Over the three month period precipitation levels are forecast to be between 95% to 115% of the average.
Slightly above average.
The first half of the month brings mixed weather, with all parts of the country seeing showers or longer spells of rain. Temperatures over the period are forecast to be a little below the seasonal average. Some warm sunny days are likely, however they will probably be more than offset by cooler and wetter ones. There is the possibility of rain becoming heavy and thundery in places.
The second half of June is expected to see changeable weather being replaced by a dry, fine and warm spell. At times it could become very warm or even hot in southern and central parts with the risk of thundery conditions increasing. Later on unsettled and cooler periods return from the west, but the south east may remain mostly dry.
Slightly above to above average.
The first half of the month may see a spell of very warm weather becoming established for a time. Towards the middle of the month showery rain is expected to return from the south, becoming heavy and thundery at times. Temperatures dip back towards the average as it turns more unsettled.
Mixed weather is expected during the second half of the month. Temperatures over the period will probably be slightly above the seasonal average. Some very warm days are likely, but cool and wet days are also probable. The heaviest rainfall may be in the south and south west where it possibly becomes thundery at times.
The first half of the month should bring a good deal of fine and sunny weather. It could become very warm or hot, especially in the south. Some thunderstorms are likely and towards the middle of the month they may become more widespread as it becomes somewhat more changeable.
The second half of the month possibly starts mixed. Despite that a good deal of settled and warm or very warm weather is expected for much of the period. Towards the end of the month the chance of cooler and showery incursions may increase.
Use the place of postcode selector at the top of this page for the local weather forecast. The links below are to discussion and long range outlooks.
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