Mill Valley Weather Forecast

    • 44
    • 53

    Slight Chance Rain Showers

    • 45
    • 56

    Partly Sunny

    • 46
    • 55

    Rain Likely

    • 44
    • 55

    Rain Likely

    • 42
    • 55

    Chance Rain

    • 44
    • 58

    Mostly Sunny

    • 45
    • 58

    Partly Sunny

Today 2 Mar North Bay Interior Valleys

Mostly cloudy. A slight chance of rain. Highs in the 50s. Northwest Winds 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 2 Mar North Bay Interior Valleys

Mostly cloudy in the evening then becoming partly cloudy. A slight chance of rain. Lows in the 30s to upper 40s. Northwest Winds 10 to 20 Mph with Gusts to around 35 Mph.

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Mill Valley Temperature Statistics

March Temperature

Novato / Gnoss Field (16.2 miles)

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  • Average March

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Climate (2020–Present)

Novato / Gnoss Field (16.2 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.7 °F
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