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South San Francisco, CA
Updated 11/12/2026, 4:04:19 PM PST
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Share South San Francisco Conditions
WEATHER
68°F.
Partly sunny. Wind 21 mph S.
7-Day Forecast →
Low 52°
High 70°
Current
AIR
AQI 14 (Good).
Good
Hazardous
AQI 14
PUBLIC ALERTS
1 active alert
Coastal Flood Advisory
ROADS
US-101 • I-280
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Sources
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Caltrans