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South San Francisco, California

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

Wednesday Sep 16: a high near 66°F and a low around 59°F. Highs over the period run 66°F to 77°F.

National Weather Service forecast for South San Francisco, California
DayHighLowPrecip
Wednesday Sep 1666°59°
Thursday Sep 1771°58°
Friday Sep 1872°58°
Saturday Sep 1972°58°
Sunday Sep 2069°58°
Monday Sep 2172°58°
Tuesday Sep 2277°

NOAA NWS NDFD 2.5 km, run 2026-09-16 16:00 UTC · days are local time in America/Los Angeles. The live page updates continuously.

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