Europe London Marathon weather forecast spells good news for runners as three give predictions for April 21 The forecasters generally agree though some predict a gloomier day than others My London – WeatherRead More About Author See author's posts Post navigation Previous Watching This…Next How Deep Was Death Valley’s Temporary Lake? Related Stories BBC’s bleak weather outlook for rest of May with 9 days of rain and thunderstorms All Regions Europe BBC’s bleak weather outlook for rest of May with 9 days of rain and thunderstorms May 8, 2026 When it will next be sunny in London again – but there is a big catch All Regions Europe When it will next be sunny in London again – but there is a big catch May 6, 2026 London weather forecast for this weekend as experts paint grim picture All Regions Europe London weather forecast for this weekend as experts paint grim picture May 6, 2026