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 London’s weather is about to massively change – an expert explained the science behind it All Regions Europe London’s weather is about to massively change – an expert explained the science behind it October 16, 2025 Met Office predicts London’s sunniest day this week amid spell of grey skies All Regions Europe Met Office predicts London’s sunniest day this week amid spell of grey skies October 14, 2025 All the storm names for 2025 and 2026 and how you can get one named after yourself All Regions Europe All the storm names for 2025 and 2026 and how you can get one named after yourself October 12, 2025