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High pressure is set to develop for much of the period, bringing generally settled conditions. Much of the period looks relatively dry.
A sharp change in daytime temperatures is expected later on, around Friday 21st August, with overnight temperatures also shifting significantly within the next day or so, and the overall trend is for temperatures to fall both day and night through the period.
Very hot conditions are probable on at times, with highs reaching into the mid 30s. Peak heat is expected on Thursday 13 August, with highs around 38°C. Overnight temperatures will dip lowest on Friday 21 August, falling to 9°C. There is a notable spread between the highest and lowest temperatures, so conditions will vary considerably.
These forecasts use interpolation to improve accuracy for your specific location, and are powered by either ECMWF or GFS model data depending on your selection. As with all weather forecasts, confidence decreases rapidly beyond 5 days ahead — treat the later dates as a heads-up about possible conditions rather than a firm prediction.
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Assess the chance of frost, strong winds, heavy rain, and snow based on the data utilised in this forecast.
Temperatures between 4°C and 0°C indicate a ground frost may be possible and below O°C an air frost.
Wind gusts of 45mph or over.
Rainfall amounts of greater than 3mm.
Snowfall is displayed regardless of the rate.
Data from different computer models is blended to increase accuracy.
Forecast charts using data from the UK Met Office MOGREPS-G ensemble model.
Information about MOGREPS-G.
Forecast charts using data from the NCEP GEFS ensemble model.