San Geronimo Weather Forecast

    • 54
    • 62

    Decreasing Clouds

    • 55
    • 61

    Mostly Cloudy

    • 55
    • 62

    Mostly Cloudy

    • 51
    • 66

    Areas Fog

    • 51
    • 68

    Areas Fog

    • 52
    • 67

    Areas Fog

Today 17 Jun Marin Coastal Range

Mostly cloudy in the morning then becoming sunny. Highs in the 60s. Southwest Winds 5 to 10 Mph.

Tonight 17 Jun Marin Coastal Range

Mostly cloudy. Lows in the mid 50s. Southwest Winds around 5 Mph.

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San Geronimo Temperature Statistics

June Temperature

Novato / Gnoss Field (10.6 miles)

  • Lowest 7 June, 2026

    46.4 °F

  • Average June

    66.2 °F

  • Highest 11 June, 2026

    100.4 °F

Climate (2021–2026)

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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