All Regions Europe London heatwave update as BBC Weather forecasts sudden temperature dip after 33C sunshine It’s set to calm to a more temperate summer temperature My London – WeatherRead More About Author OTW Observer See author's posts Continue Reading Previous: A Spectacle of Color off the Shetland IslandsNext: Why heatwaves in UK feel so much hotter than 30C heat abroad Related Stories 26C weather to mark ‘last blast of summer’ in London before rain sweeps in All Regions Europe 26C weather to mark ‘last blast of summer’ in London before rain sweeps in September 19, 2025 Exactly when London temperatures soar to 26C before dropping 10 degrees All Regions Europe Exactly when London temperatures soar to 26C before dropping 10 degrees September 17, 2025 Weather expert gives verdict on chances of thunderstorms in London next week All Regions Europe Weather expert gives verdict on chances of thunderstorms in London next week September 16, 2025