San Rafael Bay - West Marin Island Weather Forecast

    • 56
    • 69

    Mostly Sunny

    • 56
    • 68

    Mostly Sunny

    • 56
    • 66

    Mostly Sunny

    • 56
    • 67

    Mostly Sunny

    • 57
    • 66

    Mostly Sunny

    • 56
    • 68

    Partly Sunny

Today 12 Jun North Bay Interior Valleys

Sunny. Highs in the upper 70s to lower 90s. Southwest Winds 5 to 15 Mph.

Tonight 12 Jun North Bay Interior Valleys

Mostly clear. Lows in the mid 50s to upper 60s. Southwest Winds up to 5 Mph.

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San Rafael Bay - West Marin Island Temperature Statistics

June Temperature

Novato / Gnoss Field (12.4 miles)

  • Lowest 7 June, 2026

    46.4 °F

  • Average June

    65 °F

  • Highest 10 June, 2026

    95 °F

Climate (2021–Present)

Novato / Gnoss Field (12.4 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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