San Geronimo Weather Forecast

    • 50
    • 61

    Mostly Cloudy

    • 52
    • 66

    Partly Sunny

    • 52
    • 68

    Mostly Cloudy

    • 50
    • 63

    Mostly Cloudy

    • 48
    • 60

    Partly Sunny

    • 48
    • 61

    Mostly Sunny

Today 25 Feb Marin Coastal Range

Mostly cloudy. Highs around 60. Northwest Winds around 5 Mph.

Tonight 25 Feb Marin Coastal Range

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

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San Geronimo Temperature Statistics

February Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 18 February, 2026

    35.6 °F

  • Average February

    52.2 °F

  • Highest 2 February, 2026

    75.2 °F

Climate (2021–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    72.3 °F
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