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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 31/05/2018
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.
A warm start is predicted in June, but during the second half of the month it is expected to turn increasingly unsettled and possibly cool. The rest of the summer could be quite mixed.
Temperatures are forecast to be above the long term average over the three month period.
Over the three month period rainfall levels are forecast to be close to average.
Slightly below average.
Showery and thundery outbreaks of rain are likely in the first few days. Thereafter the risk of showers increasingly becomes confined to southern counties with the north having a lot of fine and dry weather. During the second week all areas should have fine and warm spells but towards the middle of the month it could become more changeable and cooler.
Rather mixed weather is expected through the second half of the month. Drier and warmer spells are likely at times, particularly in the south. However, unsettled and cooler periods are also expected with all regions having rain.
Close to average.
Slightly above average.
The first half of the month is expected to bring a mixed weather, although the emphasis may well be on drier and warmer conditions, especially in southern regions. Temperatures on the whole are likely to be slightly above the seasonal average.
During the second half of the month it is expected to become increasingly unsettled with the likelihood of some heavy and thundery spells of rain. However, some drier and warmer spells are still likely. Although temperatures are likely to be close to the seasonal average overall, significant variations are expected as hot and humid air streams mix with much cooler ones from the north.
Close to or slightly above average.
The first half of the month is expected to bring some drier and warmer days but the emphasis is on unsettled and possibly rather cool weather. Some heavy and thundery showers of or longer spells of rain are expected.
During the second half of the month a transition to more settled conditions is expected. That brings an increasing chance of some fine and warm spells. Temperatures should generally be above the average and in the south it may be very warm at times.
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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