San Geronimo Weather Forecast

    • 40
    • 51

    Partly Sunny

    • 44
    • 51

    Chance Rain

    • 50
    • 53

    Rain Likely

    • 51
    • 56

    Chance Rain

    • 48
    • 55

    Rain Likely

    • 44
    • 54

    Chance Rain

Today 29 Jan Marin Coastal Range

Mostly cloudy in the morning then becoming partly cloudy. Highs around 50. West Winds around 5 Mph.

Tonight 29 Jan Marin Coastal Range

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. West Winds around 5 Mph.

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San Geronimo Temperature Statistics

January Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 21 January, 2025

    32 °F

  • Average January

    49.6 °F

  • Highest 7 January, 2025

    71.6 °F

Climate (2020–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.8 °F
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