All Regions Europe Heavy rain to reduce risk of wildfires following possible hottest day of year Saturday could see temperatures of up to 24C, including in parts of London My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Monitor Mode for Life-Threatening Flooding…Next Met Office forecasts London’s hottest day of year so far 6C hotter than Spain Related Stories Met Office red warning for extreme 38C heatwave extended – full list of places hit All Regions Europe Met Office red warning for extreme 38C heatwave extended – full list of places hit June 25, 2026 Mayor Sadiq Khan unveils 37 heatwave measures in first ever London ‘heat plan’ All Regions Europe Mayor Sadiq Khan unveils 37 heatwave measures in first ever London ‘heat plan’ June 25, 2026 The ‘hottest’ part of London where the heatwave feels ‘claustrophobic’ All Regions Europe The ‘hottest’ part of London where the heatwave feels ‘claustrophobic’ June 24, 2026