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City and County of San Francisco, CASan Francisco County, CA Weather Forecast
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San Francisco County Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | LABOR DAY |
 |  |  | |  |  | |  | | | | |
| Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain | Chance of Rain | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 66°FHi: 19°C | Lo: 59°FLo: 15°C | Hi: 66°FHi: 19°C | Hi: 65°FHi: 18°C Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C Lo: 59°FLo: 15°C | Hi: 66°FHi: 19°C Lo: 59°FLo: 15°C | Hi: 66°FHi: 19°C Lo: 59°FLo: 15°C | Hi: 66°FHi: 19°C Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 602 PM PDT Mon Aug 31 2026 
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Issued: 514 PM PDT Mon Aug 31 2026
Key Messages
Updated at 1250 PM PDT Mon Aug 31 2026- Well below normal temperatures through Friday, gradual warming and drying trend this weekend
- Beneficial wetting rain in the North Bay Tuesday through Thursday, drizzle/light rain possible elsewhere
Aviation
... (00Z TAFS) Issued at 514 PM PDT Mon Aug 31 2026
VFR everywhere expect for HAF, SFO, and OAK where MVFR ceilings prevail. Marine stratus is expected to make another push this evening with MVFR ceilings developing at most terminals during the ...