Clearlake Weather Forecast

    • 55
    • 91

    Sunny

    • 52
    • 90

    Sunny

    • 50
    • 84

    Sunny

    • 49
    • 84

    Sunny

    • 48
    • 82

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clearlake Temperature Statistics

May Temperature

Ukiah Municipal Airport (32.9 miles)

  • Lowest 18 May, 2026

    44.1 °F

  • Average May

    65.5 °F

  • Highest 11 May, 2026

    94.6 °F

Climate (2021–Present)

Ukiah Municipal Airport (32.9 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.3 °F
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