Fairfax Weather Forecast

    • 44
    • 51

    Partly Sunny

    • 44
    • 60

    Partly Sunny

    • 45
    • 62

    Mostly Sunny

    • 46
    • 64

    Mostly Sunny

    • 46
    • 64

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

Today 29 Nov North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 50s to mid 60s. Northeast Winds 5 to 10 Mph. Becoming south in the afternoon.

Tonight 29 Nov North Bay Interior Valleys

Mostly clear in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 40s. North Winds up to 5 Mph in the evening. Becoming light.

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Fairfax Temperature Statistics

November Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 22 November, 2025

    39.2 °F

  • Average November

    56.4 °F

  • Highest 10 November, 2025

    82.4 °F

Climate (2020–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.4 °F
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