Clearlake Highlands Weather Forecast

    • 44
    • 78

    Mostly Sunny

    • 48
    • 78

    Mostly Sunny

    • 47
    • 76

    Partly Sunny

    • 47
    • 71

    Chance Rain

    • 45
    • 66

    Chance Rain Showers

    • 42
    • 67

    Slight Chance Rain

Today 6 Apr Southern Lake County

Sunny. Highs 71 to 82.

Tonight 6 Apr Southern Lake County

Mostly clear. Lows 41 to 51.

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  • Temperature Forecast NOAA

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Clearlake Highlands Temperature Statistics

April Temperature

Ukiah Municipal Airport (31.7 miles)

  • Lowest 3 April, 2026

    36.6 °F

  • Average April

    55.8 °F

  • Highest 4 April, 2026

    82 °F

Climate (2021–Present)

Ukiah Municipal Airport (31.7 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.3 °F
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