Lake Sonoma Weather Forecast

    • 52
    • 76

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 53
    • 72

    Mostly Cloudy

    • 54
    • 66

    Mostly Cloudy

    • 53
    • 61

    Rain Likely

Today 31 Oct Sonoma Coastal Range

Sunny. Highs in the mid 70s. Light Winds. Becoming northwest around 5 Mph in the afternoon.

Tonight 31 Oct Sonoma Coastal Range

Mostly clear. Lows around 50. Northwest Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Real-Time

Lake Sonoma Temperature Statistics

October Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (21.1 miles)

  • Lowest 12 October, 2025

    42.1 °F

  • Average October

    59.1 °F

  • Highest 7 October, 2025

    89.1 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (21.1 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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