Lake Henne Weather Forecast

    • 53
    • 80

    Mostly Sunny

    • 52
    • 72

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 56
    • 80

    Sunny

    • 56
    • 83

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

Today 15 Sep North Bay Interior Mountains

Sunny. Highs in the 70s to mid 80s. Southeast Winds up to 5 Mph. Becoming southwest in the afternoon.

Tonight 15 Sep North Bay Interior Mountains

Mostly clear. Lows in the 50s. Southwest Winds 5 to 10 Mph in the evening. Becoming light.

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Lake Henne Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (19.9 miles)

  • Lowest 5 September, 2026

    46.7 °F

  • Average September

    68.3 °F

  • Highest 10 September, 2026

    101.6 °F

Climate (2021–2026)

Santa Rosa, Santa Rosa Sonoma County Airport (19.9 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    72.8 °F
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