- Clothing
- Warm jacket and comfortable layers recommended.
Tomorrow's Weather Forecast - San Francisco
Tomorrow's weather in San Francisco. high 20°C (68°F), low 14°C (57°F). Overcast.
Tomorrow’s Outlook
Tomorrow brings a similar temperature to today. Mild conditions with dry weather expected all day. Humidity holds around 74%, giving the air a damp, heavy feel even without much heat behind it. Winds will turn gusty at times, reaching up to 55 km/h. Sunrise is at 6:49 AM and sunset at 7:21 PM, for about 12h 33m of daylight.
- Tomorrow
- 20°/ 14°
- Today19° / 14°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon16°
- Rain probability
- 2%
- Wind speed
- 28 km/h
AfternoonNoon – 6 PM20°
- Rain probability
- 2%
- Wind speed
- 33 km/h
Evening6 PM – Midn16°
- Rain probability
- 1%
- Wind speed
- 29 km/h
NightMidn – 6 AM14°
- Rain probability
- 1%
- Wind speed
- 26 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Good conditions for outdoor activities.
- Travel
- Standard travel conditions expected.
Sunrise & Sunset
Sunrise
Dawn 6:19 AMTotal Daylight
Full day forecastSolar noon 1:05 PM
Sunset
Dusk 7:51 PMvs today-2 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
San Francisco is forecast to reach a high of 20°C tomorrow, with an overnight low around 14°C. That's 4° below the long-term average high of 24°C for this time of year. It continues a recent pattern — 6 of the last 28 days with published data have run cooler than normal. Expect little chance of rain (2% probability) and moderate breezes averaging 33 km/h. Air quality is currently Moderate (AQI 56), driven mainly by PM2.5 at 11 μg/m³.
Today vs Normal
19°C-5° below normal
The long-term average high for today is 24°C.
6 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running below normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air Quality
Moderate
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.