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San Geronimo, California

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

Saturday Aug 29 night: a low around 51°F. Sunday Aug 30: a high near 75°F and a low around 50°F. Highs over the period run 67°F to 76°F.

National Weather Service forecast for San Geronimo, California
DayHighLowPrecip
Saturday Aug 2951°
Sunday Aug 3075°50°
Monday Aug 3167°53°
Tuesday Sep 168°53°
Wednesday Sep 271°54°
Thursday Sep 373°54°
Friday Sep 474°53°
Saturday Sep 576°

NOAA NWS NDFD 2.5 km, run 2026-08-29 23:00 UTC · days are local time in America/Los Angeles. The live page updates continuously.

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