All Regions Europe London Marathon weather warning issued as athletes told ‘remember why you are taking part’ Sunday is set to be hotter than Madrid and Barcelona My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Exactly which day will be hottest in London next week with temperatures soaring to 26CNext Argentina’s Sierra de Las Quijadas Related Stories Weather forecast during London Tube strikes – can I cycle to work? All Regions Europe Weather forecast during London Tube strikes – can I cycle to work? April 20, 2026 Exact date 20C heat will hit London in new forecast All Regions Europe Exact date 20C heat will hit London in new forecast April 20, 2026 Lyrid meteor shower 2026 best time and chances to see in London All Regions Europe Lyrid meteor shower 2026 best time and chances to see in London April 17, 2026
