All Regions Europe Pollen count for London today as hayfever season officially starts Tree pollen is prevalent from around now until mid-May My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous An Asteroid’s Bite in an Australian Mountain RangeNext Exactly how long London’s warm weather will last as today set to be hottest day of 2025 so far 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