All Regions Europe Best possible London weather forecast for end of September and start of October Some weather maps suggest it could reach 24C in London early next month My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Ragasa Steers Toward ChinaNext Both of These could be Hurricanes… Related Stories London to swelter in 38C heat as health warning escalates All Regions Europe London to swelter in 38C heat as health warning escalates June 21, 2026 Overnight temperatures during London heatwave as Met Office forecasts record-breaking heat All Regions Europe Overnight temperatures during London heatwave as Met Office forecasts record-breaking heat June 19, 2026 New Met Office London heatwave warning for hottest ever June day – Exact date it will end All Regions Europe New Met Office London heatwave warning for hottest ever June day – Exact date it will end June 19, 2026