Seigler Springs Weather Forecast

    • 70
    • 84

    Sunny

    • 72
    • 85

    Mostly Sunny

    • 65
    • 82

    Mostly Sunny

    • 65
    • 73

    Partly Sunny

    • 67
    • 77

    Partly Sunny

Today 16 Sep Southern Lake County

Sunny. Highs 85 to 96.

Tonight 16 Sep Southern Lake County

Clear. Lows 59 to 69.

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Seigler Springs Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (26.7 miles)

  • Lowest 14 September, 2025

    48 °F

  • Average September

    65.3 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (26.7 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    72.8 °F
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