Clearlake Weather Forecast

    • 35
    • 58

    Mostly Sunny

    • 39
    • 63

    Mostly Sunny

    • 42
    • 68

    Mostly Sunny

    • 44
    • 73

    Mostly Sunny

    • 44
    • 70

    Chance Rain

    • 42
    • 65

    Partly Sunny

    • 46
    • 71

    Mostly Sunny

Today 2 Apr Southern Lake County

Mostly sunny. Patchy frost in the morning. Highs 50 to 61.

Tonight 2 Apr Southern Lake County

Partly cloudy in the evening then becoming clear. Slight chance of rain in the evening. Areas of frost overnight. Lows 30 to 40.

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Clearlake Temperature Statistics

April Temperature

Ukiah Municipal Airport (32.9 miles)

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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

    76.2 °F
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