All Regions Europe New weather map shows London 31C heatwave exact date as Met Office forecasts ‘hot spells’ Rain is set to return this week, but Londoners will be happy to hear it won’t last long My London – WeatherRead More About Author OTW Observer See author's posts Continue Reading Previous: BBC London weather forecast shows when temperatures will hit 26C after period of rainNext: When it will get sunny again this week after grim 5-day rain forecast 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