All Regions Europe Exactly when London temperatures soar to 26C before dropping 10 degrees A warm Carribean blast will send temperatures soaring in London for a brief period My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Australia’s Howick RiverNext Cooper Creek Replenishes Lake Eyre 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