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South San Francisco, CA

Updated 10/23/2026, 3:07:07 PM PDT
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📤 Share South San Francisco Conditions
WEATHER
66°F. Sunny. Wind 9 mph NNW. 7-Day Forecast →
AIR
AQI 28 (Good).
GoodHazardous
AQI 28
PUBLIC ALERTS
1 active alert
Coastal Flood Advisory
ROADS
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Sources: NWS • AirNow • NOAA Aviation Weather • Open-Meteo • Caltrans