San Geronimo Weather Forecast

    • 49
    • 74

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 45
    • 62

    Partly Sunny

    • 48
    • 66

    Sunny

    • 48
    • 68

    Mostly Sunny

    • 48
    • 68

    Mostly Sunny

    • 50
    • 67

    Partly Sunny

Today 8 Mar Marin Coastal Range

Sunny. Highs in the lower 70s. East Winds around 5 Mph. Becoming northwest in the afternoon.

Tonight 8 Mar Marin Coastal Range

Mostly clear. Lows in the upper 40s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Geronimo Temperature Statistics

March Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 3 March, 2026

    48.2 °F

  • Average March

    58.8 °F

  • Highest 6 March, 2026

    77 °F

Climate (2021–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    72.3 °F
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