grib = GRIdded Binary (NWP model format) • grab = fetch it for any location worldwide
3-day forecast for London
- Sun 20 Sep: 17–20°C, overcast, no precipitation, wind up to 5 m/s
- Mon 21 Sep: 14–22°C, clear sky, no precipitation, wind up to 2 m/s
- Tue 22 Sep: 15–21°C, clear sky, no precipitation, wind up to 3 m/s
As of 20 Sep 2026. Data: Open-Meteo (CC BY 4.0). The live hourly chart is above.
London has a temperate oceanic climate with mild temperatures year-round, frequent overcast skies, and moderate rainfall. This page shows the hourly weather forecast for London, United Kingdom for the next 7 days — temperature, precipitation, wind speed, atmospheric pressure, and cloud cover hour by hour, updated every 3 hours from Open-Meteo.