All Regions Europe Amber heatwave health warnings in place as temperatures set to hit 34C Certain parts of London could reach as high as 34C My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Erin Moving Quickly to the West…Next Met Office explains why Heathrow is usually hottest part of London amid 34C forecast Related Stories Met Office issues heavy rain warning for London with 50mm set to fall All Regions Europe Met Office issues heavy rain warning for London with 50mm set to fall November 28, 2025 Met Office verdict on London being drenched in ‘heavy rain’ over miserable 11 day forecast All Regions Europe Met Office verdict on London being drenched in ‘heavy rain’ over miserable 11 day forecast November 28, 2025 New London weather forecast shows nearly 2 weeks straight of rain All Regions Europe New London weather forecast shows nearly 2 weeks straight of rain November 26, 2025