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ZIP 94503 · American Canyon, California

Current conditions and the National Weather Service 7-day forecast for ZIP code 94503, American Canyon, California — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 53°F. Sunday Aug 30: a high near 73°F and a low around 54°F. Highs over the period run 67°F to 75°F.

National Weather Service forecast for ZIP 94503, American Canyon, California
DayHighLowPrecip
Saturday Aug 2953°
Sunday Aug 3073°54°
Monday Aug 3167°54°
Tuesday Sep 168°54°
Wednesday Sep 272°55°
Thursday Sep 373°55°
Friday Sep 473°55°
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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