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City of Mill Valley, CAMill Valley, CA 7-Day Weather Forecast
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Mill Valley Weather Forecast
Mill Valley, CA Weather Forecast Date: 302 AM PDT Wed Sep 09 2026
Weather forecast for Mill Valley, CA
Tonight Lo: 65°F Lo: 18°C |
Tonight... Partly cloudy. Lows in the 60s. North winds up to 5 mph. |
Wed Hi: 92°FHi: 33°C Lo: 66°F Lo: 19°C |
Wednesday... Partly cloudy in the morning then becoming sunny. Highs upper 80s to 103. North winds up to 5 mph increasing to west 10 to 15 mph in the afternoon. |
Thu Hi: 86°FHi: 30°C Lo: 56°F Lo: 13°C |
Thursday... Mostly cloudy in the morning then becoming sunny. Highs in the lower 80s to mid 90s. Southwest winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. |
| Fri Hi: 87°FHi: 31°C Lo: 59°F Lo: 15°C |
Friday... Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to upper 80s. |
Sat Hi: 76°FHi: 24°C Lo: 59°F Lo: 15°C |
Saturday... Mostly clear. Breezy. Lows in the 40s to upper 50s. Highs in the lower 70s to mid 80s. |
| Sun Hi: 76°FHi: 24°C Lo: 59°F Lo: 15°C |
Sunday... Mostly clear. Breezy. Lows in the 40s to upper 50s. Highs in the lower 70s to mid 80s. |
| Mon Hi: 76°FHi: 24°C Lo: 59°F Lo: 15°C |
Monday... Mostly clear. Breezy. Lows in the 40s to upper 50s. Highs in the lower 70s to mid 80s. |
| Mon Hi: 76°FHi: 24°C Lo: 50°F Lo: 10°C |
Monday... Mostly clear. Breezy. Lows in the 40s to upper 50s. Highs in the lower 70s to mid 80s. |
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