All Regions Europe Met Office pollen warning for London as ‘very high’ levels to trigger hay fever sufferers for 3 days Pollen levels will remain very high in the capital this week My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous Clouds Hover Over the Alaska PeninsulaNext Unusual Storm System forming in the Caribbean…. Related Stories Met Office issues heavy rain warning for London with 50mm set to fall All Regions Europe Met Office issues heavy rain warning for London with 50mm set to fall November 28, 2025 Met Office verdict on London being drenched in ‘heavy rain’ over miserable 11 day forecast All Regions Europe Met Office verdict on London being drenched in ‘heavy rain’ over miserable 11 day forecast November 28, 2025 New London weather forecast shows nearly 2 weeks straight of rain All Regions Europe New London weather forecast shows nearly 2 weeks straight of rain November 26, 2025