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UK Heat Gives Way to Stormier Spell as Ex-Hurricane Erin Drives Midweek Downpours

A jet-stream surge will flip conditions to cooler, changeable weather into early September.

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A geothermal satellite image issued by the National Weather Service on Aug. 25, 2025, shows a band of rain moving away from the East Coast and over the Atlantic Ocean.
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Overview

  • A west-to-east band of rain is moving in from Tuesday night into Wednesday, with heavier bursts, thunder, hail and gusty winds possible, according to the Met Office.
  • Temperatures are set to drop sharply by up to around 10C after Monday’s heat, with highs back to the high teens in the north and low 20s in the south.
  • Wales and Northern Ireland recorded their warmest August bank holiday Mondays on record at 29.1C in Hawarden and 24.5C in Magilligan; Scotland reached 27.1C at Charterhall for the equivalent day.
  • No widespread severe weather warnings were in place as of Tuesday, though forecasters highlighted large waves on western coasts and urged caution at beaches.
  • The long-range outlook signals a low-pressure pattern from August 30 to September 8 with frequent showers or longer spells of rain and a risk of thunder and gusty winds, as provisional data indicate summer 2025 is tracking as the UK’s warmest on record.