All Regions Europe BBC weather experts forecast exactly when 10 day London heatwave reaching 25C will hit The weather forecast heading into the early May Bank Holiday is looking very promising My London – WeatherRead More About Author OTW Observer See author's posts Continue Reading Previous: Moonscapes of IdahoNext: BBC Weather forecasts when rain will return to London after 25C 10-day heatwave Related Stories London Marathon weather warning issued as athletes told ‘remember why you are taking part’ All Regions Europe London Marathon weather warning issued as athletes told ‘remember why you are taking part’ April 26, 2025 Exactly which day will be hottest in London next week with temperatures soaring to 26C All Regions Europe Exactly which day will be hottest in London next week with temperatures soaring to 26C April 26, 2025 ‘Very warm for the time of year’ – Met Office heatwave alert with temperatures 10C above average All Regions Europe ‘Very warm for the time of year’ – Met Office heatwave alert with temperatures 10C above average April 25, 2025