San Quentin, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


San Quentin, CA Weather Forecast


San Quentin, CA Weather Forecast Date: 304 AM PDT Sat Sep 12 2026
or toggle through each period.
Rest of Tonight... Partly cloudy. Lows in the 50s. Southwest winds 5 to 10 mph.
Saturday... Partly cloudy in the morning then becoming sunny. Breezy. Highs in the lower 70s to mid 80s. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon.
Saturday Night... Mostly clear. Breezy. Lows in the 40s to upper 50s. West winds 20 to 30 mph with gusts to around 45 mph.
Sunday... Sunny. Highs in the lower 70s to mid 80s. West winds 10 to 20 mph.
Sunday Night... Mostly clear. Lows in the 50s. West winds 10 to 20 mph...Becoming northwest 5 to 10 mph after midnight.
Monday... Sunny. Highs in the mid 70s to upper 80s.
Monday Night... Mostly clear. Lows in the 50s.
Tuesday... Mostly clear except patchy fog. Highs in the lower 70s to mid 80s. Lows in the upper 40s to mid 50s.
Tuesday Night... Mostly clear except patchy fog. Highs in the lower 70s to mid 80s. Lows in the upper 40s to mid 50s.
Wednesday... Mostly cloudy in the morning then becoming sunny. Patchy fog. Highs in the lower 70s to mid 80s.
Wednesday Night... Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 40s to upper 50s.
Thursday... Mostly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s.
Thursday Night... Mostly clear except patchy fog. Lows in the 40s to upper 50s.
Weather World