Anderson Marsh State Historical Park Weather Forecast

    • 46
    • 73

    Partly Sunny

    • 47
    • 75

    Partly Sunny

    • 51
    • 72

    Rain Likely

    • 45
    • 62

    Rain Likely

    • 44
    • 59

    Chance Rain

    • 46
    • 63

    Partly Sunny

Today 22 Oct Southern Lake County

Mostly cloudy. Highs 65 to 76.

Tonight 22 Oct Southern Lake County

Partly cloudy. Lows 44 to 54.

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Anderson Marsh State Historical Park Temperature Statistics

October Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (31.1 miles)

  • Lowest 12 October, 2025

    42.1 °F

  • Average October

    59.7 °F

  • Highest 7 October, 2025

    89.1 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (31.1 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    72.6 °F
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