Marine Weather Net

Mill Valley, CA Weather Forecast




Mill Valley, California

 Lat: 37.91N, Lon: 122.54W

Current Conditions Updated: 356 PM PDT MON APR 6 2026

Mostly Clear
Temp: 61°F
  • Humidity:
  • 62%
  • Winds:
  • 18 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.08 in.
  • Dewpoint:
  • 48°F
  • Heat index:
  • 61°F

  • Sunrise:
  • 6:46 AM PDT
  • Sunset:
  • 7:36 PM PDT
  • Moonrise:
  • N/A PDT
  • Moonset:
  • 8:59 AM PDT

TONIGHT

PARTLY CLOUDY
Lo: 45°F

TUESDAY

SUNNY

Hi: 77°F
Lo: 45°F

WEDNESDAY

SUNNY

Hi: 79°F
Lo: 57°F

THURSDAY

CHANCE OF RAIN
Hi: 65°F
Lo: 50°F
Weather Forecast In Detail:
Forecast Issued: 602 PM PDT Mon Apr 06 2026

Tonight...Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 40s to lower 50s. West winds 10 to 15 mph.
Tuesday...Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to upper 70s. West winds 5 to 15 mph.
Tuesday Night...Partly cloudy. Lows in the 40s to mid 50s. West winds 10 to 15 mph.
Wednesday...Sunny. Highs in the 60s to upper 70s. West winds 5 to 15 mph.
Wednesday Night...Partly cloudy in the evening then becoming mostly cloudy. A slight chance of rain. Patchy fog after midnight. Lows in the 40s to upper 50s. West winds 10 to 20 mph... Becoming 5 to 10 mph after midnight. Chance of rain 20 percent.
Thursday...Mostly cloudy. Patchy fog. A chance of rain. Highs in the mid 60s to lower 70s.
Thursday Night...Areas of fog. Rain likely. Lows in the upper 40s to mid 50s.
Friday...Areas of fog. Showers likely and a slight chance of thunderstorms. Highs in the 60s to lower 70s.
Friday Night And Saturday...Mostly cloudy. Patchy fog. A chance of rain. Lows in the 40s to mid 50s. Highs in the 60s.
Saturday Night And Sunday...Mostly cloudy. A chance of rain. Lows in the 40s to lower 50s. Highs in the 60s.
Sunday Night...Partly cloudy in the evening then becoming mostly clear. Lows in the 40s to lower 50s.
Monday...Partly cloudy. Highs in the 60s to lower 70s. && temperature / precipitation santa rosa 42 77 46 77 / 10 san rafael 49 73 52 74 / napa 46 73 49 75 / 10
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