Clearlake Weather Forecast

    • 63
    • 100

    Hot

    • 65
    • 100

    Hot

    • 62
    • 99

    Hot

    • 57
    • 94

    Sunny

    • 56
    • 89

    Sunny

    • 55
    • 89

    Sunny

Today 12 Jul Southern Lake County

Sunny. Highs 91 to 103.

Tonight 12 Jul Southern Lake County

Clear. Lows 60 to 70.

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Clearlake Temperature Statistics

July Temperature

Ukiah Municipal Airport (32.9 miles)

  • Lowest 5 July, 2025

    48.7 °F

  • Average July

    72.2 °F

  • Highest 1 July, 2025

    98.1 °F

Climate (2020–Present)

Ukiah Municipal Airport (32.9 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    76.3 °F
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