Clearlake Weather Forecast

    • 41
    • 82

    Patchy Smoke

    • 41
    • 66

    Chance Rain

    • 45
    • 67

    Chance Rain

    • 44
    • 69

    Chance Rain

    • 42
    • 68

    Chance Rain

    • 42
    • 70

    Mostly Sunny

Today 18 Oct Eastern Lake

Sunny. Patchy smoke in the afternoon. Highs 76 to 86. West wind around 5 Mph increasing to southwest around 15 Mph in the afternoon.

Tonight 18 Oct Eastern Lake

Mostly clear. Patchy smoke in the evening. Lows 39 to 49. West wind 5 to 15 Mph.

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Clearlake Temperature Statistics

October Temperature

Ukiah Municipal Airport (32.9 miles)

  • Lowest 13 October, 2026

    38.6 °F

  • Average October

    70 °F

  • Highest 5 October, 2026

    102.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (32.9 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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