San Marin Weather Forecast

    • 47
    • 70

    Mostly Sunny

    • 50
    • 65

    Partly Sunny

    • 46
    • 63

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

Today 1 May North Bay Interior Valleys

Sunny. Patchy fog in the morning. Highs in the 60s to 70s. Southwest Winds 5 to 10 Mph.

Tonight 1 May North Bay Interior Valleys

Mostly clear except patchy fog after midnight. Lows in the mid 40s to lower 50s. West Winds 5 to 15 Mph.

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San Marin Temperature Statistics

May Temperature

Novato / Gnoss Field (2.5 miles)

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  • Average May

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Climate (2020–Present)

Novato / Gnoss Field (2.5 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    72.8 °F
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