Fairfax Weather Forecast

    • 48
    • 64

    Rain Showers

    • 51
    • 64

    Chance Rain Showers

    • 50
    • 70

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

Today 13 Oct North Bay Interior Valleys

Breezy. Showers and a slight chance of Thunderstorms. Highs in the mid 50s to upper 60s. South Winds 10 to 20 Mph increasing to west 20 to 30 Mph in the afternoon.

Tonight 13 Oct North Bay Interior Valleys

Mostly cloudy. Patchy fog. A chance of rain. Lows in the mid 40s to lower 50s. Southwest Winds 10 to 15 Mph. Becoming east around 5 Mph after midnight.

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Fairfax Temperature Statistics

October Temperature

Novato / Gnoss Field (10.6 miles)

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Climate (2020–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.4 °F
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