Thurston Lake Weather Forecast

    • 54
    • 80

    Sunny

    • 49
    • 81

    Sunny

    • 49
    • 74

    Partly Sunny

    • 44
    • 61

    Slight Chance Rain

    • 51
    • 71

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

Today 30 Apr Southern Lake County

Sunny. Highs 75 to 85.

Tonight 30 Apr Southern Lake County

Clear. Lows 49 to 59.

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Thurston Lake Temperature Statistics

April Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (30.4 miles)

  • Lowest 3 April, 2025

    38.6 °F

  • Average April

    56.5 °F

  • Highest 13 April, 2025

    81.6 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (30.4 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    72.8 °F
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