grib = GRIdded Binary (NWP model format) • grab = fetch it for any location worldwide
3-day forecast for San Francisco
- Sat 19 Sep: 14–20°C, fog, no precipitation, wind up to 7 m/s
- Sun 20 Sep: 13–18°C, overcast, no precipitation, wind up to 7 m/s
- Mon 21 Sep: 14–21°C, fog, no precipitation, wind up to 5 m/s
As of 19 Sep 2026. Data: Open-Meteo (CC BY 4.0). The live hourly chart is above.
San Francisco has a temperate oceanic climate with cool, foggy summers, mild winters, and nearly all rain falling October to April. This page shows the hourly weather forecast for San Francisco, USA for the next 7 days — temperature, precipitation, wind speed, atmospheric pressure, and cloud cover hour by hour, updated every 3 hours from Open-Meteo.