Aetna Springs Weather Forecast

    • 49
    • 72

    Sunny

    • 50
    • 75

    Sunny

    • 51
    • 74

    Sunny

    • 56
    • 81

    Mostly Sunny

    • 58
    • 83

    Partly Sunny

    • 59
    • 82

    Partly Sunny

Today 4 Sep North Bay Interior Mountains

Sunny. Highs in the lower 60s to mid 70s. West Winds 5 to 10 Mph.

Tonight 4 Sep North Bay Interior Mountains

Mostly clear. Lows in the upper 40s to mid 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Aetna Springs Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (20.5 miles)

  • Lowest 1 September, 2026

    52.6 °F

  • Average September

    63.6 °F

  • Highest 1 September, 2026

    73.7 °F

Climate (2021–2026)

Santa Rosa, Santa Rosa Sonoma County Airport (20.5 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    72.9 °F
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