Lake Henne Weather Forecast

    • 45
    • 59

    Mostly Sunny

    • 49
    • 64

    Mostly Sunny

    • 49
    • 64

    Mostly Sunny

    • 46
    • 64

    Mostly Sunny

    • 44
    • 62

    Mostly Sunny

    • 44
    • 59

    Mostly Sunny

Today 8 Dec North Bay Interior Mountains

Sunny. Highs in the mid 50s to lower 60s. Light Winds.

Tonight 8 Dec North Bay Interior Mountains

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s. Light Winds. Becoming north up to 5 Mph after midnight.

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Lake Henne Temperature Statistics

December Temperature

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

  • Lowest 4 December, 2025

    34 °F

  • Average December

    45.5 °F

  • Highest 3 December, 2025

    68 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    72.5 °F
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