San Marin Weather Forecast

    • 56
    • 69

    Rain Likely

    • 52
    • 73

    Partly Sunny

    • 52
    • 76

    Sunny

    • 52
    • 80

    Sunny

    • 52
    • 79

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

Today 1 Oct North Bay Interior Valleys

Rain likely in the Morning, then a chance of rain in the afternoon. Highs in the lower 60s to mid 70s. Southeast Winds 10 to 15 Mph.

Tonight 1 Oct North Bay Interior Valleys

Mostly cloudy. Patchy fog in the Evening, then Areas of fog after midnight. A chance of rain in the Evening, then a slight chance of rain after midnight. Lows in the 50s. West Winds 5 to 15 Mph.

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San Marin Temperature Statistics

October Temperature

Novato / Gnoss Field (2.5 miles)

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  • Average October

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Climate (2020–Present)

Novato / Gnoss Field (2.5 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.5 °F
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