Clearlake Oaks Weather Forecast

    • 41
    • 56

    Rain Showers

    • 38
    • 60

    Rain Showers

    • 43
    • 69

    Mostly Sunny

    • 43
    • 73

    Mostly Sunny

    • 42
    • 64

    Partly Sunny

    • 40
    • 62

    Partly Sunny

    • 43
    • 66

    Partly Sunny

Today 21 Apr Southern Lake County

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms. Highs 52 to 63.

Tonight 21 Apr Southern Lake County

Partly cloudy. Slight chance of rain. Lows 37 to 47. Highs 54 to 69.

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Clearlake Oaks Temperature Statistics

April Temperature

Ukiah Municipal Airport (29.2 miles)

  • Lowest 17 April, 2026

    35.7 °F

  • Average April

    57.6 °F

  • Highest 5 April, 2026

    84.7 °F

Climate (2021–Present)

Ukiah Municipal Airport (29.2 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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