San Geronimo Weather Forecast

    • 44
    • 56

    Chance Rain

    • 46
    • 61

    Mostly Sunny

    • 46
    • 61

    Mostly Sunny

    • 46
    • 60

    Mostly Sunny

    • 45
    • 60

    Partly Sunny

    • 46
    • 60

    Partly Sunny

Today 20 Nov Marin Coastal Range

Becoming partly cloudy in the afternoon. Rain likely in the Morning, then a slight chance of rain in the afternoon. Highs in the mid 50s. Northwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 20 Nov Marin Coastal Range

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

San Geronimo Temperature Statistics

November Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 1 November, 2025

    42.8 °F

  • Average November

    58.5 °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 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.4 °F
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