All Regions Europe When ‘longest’ London heatwave will end after 5 days of 30C temperatures Here’s when you will next need to get your umbrella out, according to the Met Office My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Exactly how long next heatwave will last and will there be another oneNext Santorini’s Hidden Worlds Related Stories Met Office predicts London’s sunniest day this week amid spell of grey skies All Regions Europe Met Office predicts London’s sunniest day this week amid spell of grey skies October 14, 2025 All the storm names for 2025 and 2026 and how you can get one named after yourself All Regions Europe All the storm names for 2025 and 2026 and how you can get one named after yourself October 12, 2025 When will London get its last 6pm sunset and when do the clocks go back? All Regions Europe When will London get its last 6pm sunset and when do the clocks go back? October 10, 2025