Europe London weather forecast hour by hour as rain gives way to 20C sunshine The weather is set to improve in time for the first day of Carnival My London – WeatherRead More About Author See author's posts Post navigation Previous Constructing Egypt’s New CapitalNext London flood alert issued as map shows areas where paths and roads could be submerged Related Stories Overnight temperatures during London heatwave as Met Office forecasts record-breaking heat All Regions Europe Overnight temperatures during London heatwave as Met Office forecasts record-breaking heat June 19, 2026 New Met Office London heatwave warning for hottest ever June day – Exact date it will end All Regions Europe New Met Office London heatwave warning for hottest ever June day – Exact date it will end June 19, 2026 Met Office London heatwave verdict for this weekend with warning over major difference to May All Regions Europe Met Office London heatwave verdict for this weekend with warning over major difference to May June 17, 2026