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ZIP 94403 · San Mateo, California

Current conditions and the National Weather Service 7-day forecast for ZIP code 94403, San Mateo, California — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 56°F. Sunday Aug 30: a high near 74°F and a low around 56°F. Highs over the period run 71°F to 76°F.

National Weather Service forecast for ZIP 94403, San Mateo, California
DayHighLowPrecip
Saturday Aug 2956°
Sunday Aug 3074°56°
Monday Aug 3171°58°
Tuesday Sep 172°57°
Wednesday Sep 275°58°
Thursday Sep 375°58°
Friday Sep 475°58°
Saturday Sep 576°

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

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