Foster City, CA

Updated 9/16/2026, 2:07:02 AM PDT

Local Partner

WEATHER

60°F. Partly cloudy. Wind 8 mph SSW. 7-Day Forecast →

Low 53°High 68°

Current

UV INDEX

Peak UV 7 today at 2 PM.

LowExtreme

Peak @ 2 PM

AIR

AQI 44 (Good).

GoodHazardous

AQI 44

PUBLIC ALERTS

No active federal alerts reported.

ROADS

CA-92 • US-101

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