Weather in San Quentin, CA
Updated 2026-08-11 11:15 local time · ZIP codes 94964

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
68°4% rain
75°3% rain
83°2% rain
85°1% rain
86°1% rain
85°1% rain
81°1% rain
78°1% rain
75°2% rain
66°4% rain
62°6% rain
56°15% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 15%).
It feels like 68°F with winds near 9 mph.
68°F, 4% rain chance and 9 mph wind.
Visibility is around 10 mi; gusts may reach 25 mph.
Current temperature is 68°F, wind 9 mph, rain chance up to 15%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
San Quentin weather today
Sunny and 68°F in San Quentin, CA. Today's high is 86°F with a 10% rain chance. Winds are around 9 mph with gusts near 11 mph. Relative humidity is 68%, pressure is 29.97 inHg, and visibility is about 10 miles.
Tonight and tomorrow in San Quentin
Sunrise is at 06:21 AM and sunset is at 08:08 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 65°F and a low near 56°F. The maximum rain chance is 24%.