All Regions Europe Met Office explains why Heathrow is usually hottest part of London amid 34C forecast The airport could see temperatures get into the middle 30s today My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Amber heatwave health warnings in place as temperatures set to hit 34CNext New London weather forecast predicts when temperatures will plummet after 33C heat Related Stories 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 Buckingham Palace cancels Changing of the Guard thanks to extreme heat warning All Regions Europe Buckingham Palace cancels Changing of the Guard thanks to extreme heat warning June 24, 2026 Sleep better in the heatwave by removing 1 item from your bedroom All Regions Europe Sleep better in the heatwave by removing 1 item from your bedroom June 24, 2026