Clearlake Weather Forecast

    • 38
    • 53

    Rain Showers

    • 39
    • 60

    Mostly Sunny

    • 42
    • 56

    Rain Likely

    • 39
    • 54

    Rain Likely

    • 39
    • 62

    Partly Sunny

    • 40
    • 64

    Partly Sunny

Today 17 Nov Southern Lake County

Numerous rain Showers and isolated Thunderstorms. Breezy. Highs 46 to 56. Northwest wind 20 to 25 Mph with Gusts at higher Elevations to around 40 Mph.

Tonight 17 Nov Southern Lake County

Mostly cloudy in the evening then becoming partly cloudy. Isolated rain Showers. Lows 35 to 45.

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Clearlake Temperature Statistics

November Temperature

Ukiah Municipal Airport (32.9 miles)

  • Lowest 15 November, 2025

    42.1 °F

  • Average November

    57.4 °F

  • Highest 2 November, 2025

    79 °F

Climate (2020–Present)

Ukiah Municipal Airport (32.9 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    76 °F
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