All Regions Europe Met Office weather map shows 22 hour warning with 48mph winds pummelling London Forecasters have warned of potential rail disruption and interruptions to power My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Color Along the AnadyrNext Greenland Ice Sheet Gets a Refresh Related Stories London to swelter in 38C heat as health warning escalates All Regions Europe London to swelter in 38C heat as health warning escalates June 21, 2026 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