Today's Weather Forecast - London
Today's weather in London. high 21°C (70°F), low 16°C (61°F). Overcast.
Today’s Hourly Weather Outlook
- Wind speed
- 9 km/h
- Rain probability
- 20%
- Wind speed
- 10 km/h
- Rain probability
- 0%
- Wind speed
- 6 km/h
- Rain probability
- 0%
- Wind speed
- 15 km/h
- Rain probability
- 76%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: PM2.5
- Monitoring station
- London
- PM2.5
- 25μg/m³
- PM10
- 13μg/m³
- O₃
- 13ppb
- NO₂
- 8.8ppb
- SO₂
- 1.1ppb
- CO
- 1.9ppm
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
London is forecast to reach a high of 21°C today, with an overnight low around 16°C. That's 1° above the long-term average high of 20°C for this time of year. It continues a recent pattern — 24 of the last 28 days with published data have run warmer than normal. Expect a high chance of rain (76% probability) and a gentle breeze averaging 15 km/h. Air quality is currently good (AQI 22), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 20°C.
24 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.