Clearlake Park Weather Forecast

    • 57
    • 72

    Becoming Sunny

    • 60
    • 80

    Sunny

    • 62
    • 83

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 62
    • 83

    Sunny

    • 61
    • 83

    Sunny

Today 17 Sep Eastern Lake

Mostly sunny. Patchy fog in the morning. Highs 70 to 80. Northwest wind around 5 Mph shifting to the east in the afternoon.

Tonight 17 Sep Eastern Lake

Mostly clear. Lows 49 to 59. Southwest wind around 5 Mph shifting to the northwest overnight.

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Clearlake Park Temperature Statistics

September Temperature

Ukiah Municipal Airport (31.1 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    68.4 °F

  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (31.1 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    76.1 °F
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