Clear Lake State Park Weather Forecast

    • 49
    • 66

    Mostly Cloudy

    • 48
    • 68

    Chance Rain

    • 44
    • 65

    Chance Rain

    • 46
    • 69

    Mostly Sunny

    • 45
    • 69

    Partly Sunny

    • 44
    • 65

    Slight Chance Rain

Today 20 Oct Western Lake

Mostly cloudy. Patchy fog in the morning. Highs 61 to 71. Southeast wind up to 10 Mph.

Tonight 20 Oct Western Lake

Cloudy. Lows 44 to 54. East wind around 5 Mph.

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Clear Lake State Park Temperature Statistics

October Temperature

Ukiah Municipal Airport (21.7 miles)

  • Lowest 13 October, 2026

    38.6 °F

  • Average October

    69.8 °F

  • Highest 5 October, 2026

    102.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (21.7 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    76.2 °F
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