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ZIP 94402 · San Mateo, California

Current conditions and the National Weather Service 7-day forecast for ZIP code 94402, San Mateo, California — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 55°F. Sunday Aug 30: a high near 72°F and a low around 55°F. Highs over the period run 69°F to 75°F.

National Weather Service forecast for ZIP 94402, San Mateo, California
DayHighLowPrecip
Saturday Aug 2955°
Sunday Aug 3072°55°
Monday Aug 3169°57°
Tuesday Sep 171°56°
Wednesday Sep 274°57°
Thursday Sep 375°57°
Friday Sep 474°57°
Saturday Sep 575°

NOAA NWS NDFD 2.5 km, run 2026-08-30 03:00 UTC · days are local time in America/Los Angeles. The live page updates continuously.

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