Clearlake Weather Forecast

    • 41
    • 69

    Decreasing Clouds

    • 39
    • 63

    Partly Sunny

    • 39
    • 63

    Partly Sunny

    • 41
    • 63

    Partly Sunny

    • 40
    • 64

    Mostly Sunny

    • 40
    • 63

    Partly Sunny

Today 27 Nov Southern Lake County

Mostly cloudy early in the morning then clearing. Highs 62 to 72.

Tonight 27 Nov Southern Lake County

Mostly cloudy in the evening then clearing. Lows 39 to 49.

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Clearlake Temperature Statistics

November Temperature

Ukiah Municipal Airport (32.9 miles)

  • Lowest 21 November, 2025

    37 °F

  • Average November

    54.2 °F

  • Highest 2 November, 2025

    79 °F

Climate (2020–Present)

Ukiah Municipal Airport (32.9 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    76 °F
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