San Geronimo Weather Forecast

    • 55
    • 75

    Decreasing Clouds

    • 51
    • 76

    Mostly Sunny

    • 50
    • 65

    Partly Sunny

    • 53
    • 67

    Mostly Cloudy

    • 51
    • 64

    Chance Rain

    • 49
    • 65

    Slight Chance Rain

Today 4 Apr Marin Coastal Range

Partly cloudy. Highs in the mid 70s. East Winds 5 to 10 Mph.

Tonight 4 Apr Marin Coastal Range

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 50s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

San Geronimo Temperature Statistics

April Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 1 April, 2026

    53.6 °F

  • Average April

    57.3 °F

  • Highest 1 April, 2026

    64.4 °F

Climate (2021–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    72.5 °F
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