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 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 Exact dates London will bask in 5 days of sunshine in April All Regions Europe Exact dates London will bask in 5 days of sunshine in April April 17, 2026 Does crime rise when weather is sunny? Clinical psychologist weighs in All Regions Europe Does crime rise when weather is sunny? Clinical psychologist weighs in April 15, 2026