Europe BBC London weather experts forecast ‘mini heatwave’ with 7 days in a row above 20C After a series of gloomy, rainy days, the capital is set to warm up next week My London – WeatherRead More About Author See author's posts Continue Reading Previous: Larger Tropical Wave Coming…Next: A Geological Wonderland in Alaska 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