San Geronimo Weather Forecast

    • 46
    • 71

    Increasing Clouds

    • 48
    • 64

    Mostly Sunny

    • 50
    • 71

    Sunny

    • 49
    • 74

    Mostly Sunny

    • 48
    • 67

    Mostly Sunny

    • 47
    • 66

    Sunny

Today 15 Jun Marin Coastal Range

Partly cloudy in the morning then becoming sunny. Highs in the lower 70s. West Winds 5 to 10 Mph.

Tonight 15 Jun Marin Coastal Range

Partly cloudy. Lows in the upper 40s. West Winds 10 to 15 Mph.

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San Geronimo Temperature Statistics

June Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 12 June, 2025

    44.6 °F

  • Average June

    60.1 °F

  • Highest 4 June, 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

    57.6 °F

  • Average High 2020–2025

    72.7 °F
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