Marine Weather Net

Mill Valley, CA Weather Forecast




Mill Valley, California

 Lat: 37.91N, Lon: 122.54W

Current Conditions Updated: 856 AM PDT WED JUL 22 2026

Mostly Cloudy
Temp: 68°F
  • Humidity:
  • 72%
  • Winds:
  • 12 MPH S
  • Gusts:
  • 22 MPH
  • Barometer:
  • 30.07 in.
  • Dewpoint:
  • 59°F
  • Heat index:
  • 68°F

  • Sunrise:
  • 6:03 AM PDT
  • Sunset:
  • 8:26 PM PDT
  • Moonrise:
  • 3:10 PM PDT
  • Moonset:
  • 12:26 AM PDT

TODAY

PARTLY CLOUDY
Hi: 70°F
Lo: 55°F

THURSDAY

SUNNY

Hi: 75°F
Lo: 55°F

FRIDAY

SUNNY

Hi: 87°F
Lo: 55°F

SATURDAY

MOSTLY CLEAR
Hi: 80°F
Lo: 55°F
Weather Forecast In Detail:
Forecast Issued: 601 AM PDT Wed Jul 22 2026

Today...Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s to lower 80s. Southwest winds 10 to 20 mph.
Tonight...Partly cloudy in the evening then becoming mostly cloudy. Lows in the 50s to lower 60s. West winds 10 to 20 mph.
Thursday...Mostly cloudy in the morning then becoming sunny. Highs in the 70s to 80s. West winds 10 to 20 mph.
Thursday Night...Mostly clear. Lows in the 50s. West winds 10 to 20 mph...Becoming 5 to 10 mph after midnight.
Friday...Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to upper 80s. West winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon.
Friday Night...Mostly clear. Lows in the 50s.
Saturday...Mostly clear. Highs in the mid 70s to lower 90s. Lows in the mid 50s to lower 60s. && temperature / precipitation santa rosa 75 53 86 / 10 san rafael 78 60 83 / napa 74 56 80 /
Sunday...Mostly clear. Highs in the mid 70s to lower 90s. Lows in the mid 50s to lower 60s. && temperature / precipitation santa rosa 75 53 86 / 10 san rafael 78 60 83 / napa 74 56 80 /
Monday...Mostly clear. Highs in the mid 70s to lower 90s. Lows in the mid 50s to lower 60s. && temperature / precipitation santa rosa 75 53 86 / 10 san rafael 78 60 83 / napa 74 56 80 /
Tuesday...Mostly clear. Highs in the mid 70s to lower 90s. Lows in the mid 50s to lower 60s. && temperature / precipitation santa rosa 75 53 86 / 10 san rafael 78 60 83 / napa 74 56 80 /
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