Lake County Fairgrounds Weather Forecast

    • 52
    • 81

    Mostly Sunny

    • 55
    • 87

    Sunny

    • 59
    • 92

    Sunny

    • 59
    • 93

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

    • 59
    • 92

    Mostly Sunny

Today 28 Sep Western Lake

Sunny. Highs 76 to 86. Northeast wind around 5 Mph shifting to the west in the afternoon.

Tonight 28 Sep Western Lake

Mostly clear. Lows 50 to 60. Northwest wind around 10 Mph.

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Lake County Fairgrounds Temperature Statistics

September Temperature

Ukiah Municipal Airport (16.2 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    68.9 °F

  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76 °F
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