Mill Valley Weather Forecast

    • 50
    • 70

    Decreasing Clouds

    • 48
    • 64

    Partly Sunny

    • 49
    • 68

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

Today 19 Apr North Bay Interior Valleys

Partly cloudy. Patchy fog in the morning. Highs in the upper 60s to lower 80s. Southwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 19 Apr North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. West Winds 10 to 20 Mph.

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Mill Valley Temperature Statistics

April Temperature

Novato / Gnoss Field (16.2 miles)

  • Lowest 14 April, 2019

    42.8 °F
  • Average April

    57.6 °F
  • Highest 13 April, 2019

    77 °F

Climate (2010–Present)

Novato / Gnoss Field (16.2 miles)

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  • Average Low 2010–Present

    46.2 °F
  • Average 2010–Present

    57.3 °F
  • Average High 2010–Present

    71 °F
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