San Geronimo Weather Forecast

    • 47
    • 62

    Partly Sunny

    • 46
    • 59

    Partly Sunny

    • 45
    • 59

    Partly Sunny

    • 44
    • 59

    Partly Sunny

    • 45
    • 60

    Mostly Sunny

    • 46
    • 59

    Partly Sunny

Today 27 Nov Marin Coastal Range

Mostly cloudy in the morning then becoming sunny. Areas of dense fog in the morning. Highs around 60. East Winds around 5 Mph.

Tonight 27 Nov Marin Coastal Range

Partly cloudy. Lows in the upper 40s. West Winds 5 to 10 Mph.

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San Geronimo Temperature Statistics

November Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 22 November, 2025

    39.2 °F

  • Average November

    56.7 °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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