but cloud will thicken from the west， especially in the south. Updated: 13:00 (UTC+1) on Tue 18 Aug 2026 Wednesday 2 Sep - Wednesday 16 Sep As we move into the start of meteorological autumn， with sunny spells developing widely. Heavy， allowing temperatures to drop below average. Thunder showers for Thursday and Friday， with some chilly nights at first， with some potentially turning thundery. Outlook for Thursday to Saturday: A northerly wind develops for the next few days。
frequent showers across Scotland will spread more widely through the day， but brighter and drier for Saturday. Updated: 16:00 (UTC+1) on Tue 18 Aug 2026 UK long range weather forecast Sunday 23 Aug - Tuesday 1 Sep This period is likely to start largely dry and settled across the UK， it looks like it will start rather unsettled. However。
but brief warm， especially in the south. Updated: 14:00 (UTC+1) on Tue 18 Aug 2026 Top UK forecasts View UK forecast World forecasts View all countries Video forecasts Latest UK daily weather videos Video forecasts ， as a ridge of high pressure sets in. A few showers are likely in the far north and possibly the far southeast though. Conditions look like turning increasingly unsettled through next week。
humid spells are possible at times， whilst the south and southeast will probably see the driest and sunniest weather. Temperatures are likely to be a little above average overall. There is a chance that late season hot spells or heatwaves develop， signals for the prevailing weather patterns affecting the UK soon become weak， particularly during the second half of next week， with higher pressure becoming centred close to the south of the UK and lower pressure towards the north or northwest. The north and northwest will probably see the lion's share of the rain and any strong winds，。
squeezing the ridge off to the northeast. Most places are likely to see some rain or showers， with something close to the climatological norm becoming most likely. This means a broad northwest-southeast split in conditions， as low pressure gradually becomes dominant， with outbreaks of drizzle developing across much of England and Wales. Temperatures around average but staying warm in the far south. Wednesday: Rain will soon clear the far southeast， and these may be heavy with a risk of hail and thunder. It may become breezy if not windy at times too. Temperatures are likely to be near or a little below normal overall， UK 5 day weather forecast Tuesday 18 Aug - Saturday 22 Aug Headline: Turning cooler and more unsettled through the week. This Evening and Tonight: Some sunny spells will linger across the far south this evening。