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The pattern appears changeable, with neither high nor low pressure fully in control. A number of days will see rainfall but there will be dry periods too.
A sharp change in daytime temperatures is expected later on, around Friday 21st August, and the overall trend is for temperatures to fall both day and night through the period.
Hot conditions are expected at times, with highs reaching into the 30s. Saturday 15 August looks like the hottest day, with temperatures climbing to 31°C. The coolest night is expected on Saturday 22 August, with lows around 9°C. There is a notable spread between the highest and lowest temperatures, so conditions will vary considerably.
Rainfall totals look substantial, with around 79mm over the period. The wettest day looks to be Monday 17 August, with around 33mm possible.
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.