San Geronimo Weather Forecast

    • 47
    • 66

    Becoming Sunny

    • 49
    • 71

    Mostly Sunny

    • 53
    • 65

    Slight Chance Rain

    • 50
    • 66

    Mostly Sunny

    • 54
    • 74

    Sunny

    • 56
    • 83

    Sunny

Today 6 Jun Marin Coastal Range

Sunny in the morning then becoming partly cloudy. Highs in the upper 60s. Northwest Winds 10 to 20 Mph.

Tonight 6 Jun Marin Coastal Range

Mostly clear. Lows in the upper 40s. West Winds 10 to 20 Mph with Gusts to around 35 Mph.

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San Geronimo Temperature Statistics

June Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 1 June, 2026

    50 °F
  • Average June

    63.9 °F
  • Highest 1 June, 2026

    91.4 °F

Climate (2021–Present)

Novato / Gnoss Field (10.6 miles)

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  • Average Low 2021–2026

    46.8 °F
  • Average 2021–2026

    57.7 °F
  • Average High 2021–2026

    72.5 °F
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