All Regions Europe London pollen count today and for the next four days as spring approaches Anyone with a tree pollen allergy should get their tissues ready My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous When clocks go forward and when London will get first 7pm sunsetNext New weather maps show the exact date and time London faces risk of snow as temperatures drop 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