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Foster City, California

Current conditions and the National Weather Service 7-day forecast for Foster City, California — temperature, rain chance, wind, radar and active alerts.

Saturday Oct 3: a high near 92°F and a low around 65°F. Highs over the period run 80°F to 92°F.

National Weather Service forecast for Foster City, California
DayHighLowPrecip
Saturday Oct 392°65°—
Sunday Oct 491°63°—
Monday Oct 589°64°—
Tuesday Oct 690°64°—
Wednesday Oct 789°63°—
Thursday Oct 886°61°—
Friday Oct 980°——

NOAA NWS NDFD 2.5 km, run 2026-10-03 15:00 UTC · days are local time in America/Los Angeles. The live page updates continuously.

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