South Cow Mountain OHV Recreation Area Weather Forecast

    • 70
    • 88

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 49
    • 63

    Mostly Sunny

    • 56
    • 67

    Sunny

    • 58
    • 73

    Mostly Sunny

    • 58
    • 73

    Sunny

Today 10 Sep Western Lake

Mostly sunny. Highs 88 to 98. West wind around 10 Mph.

Tonight 10 Sep Western Lake

Mostly clear. Lows 56 to 66. West wind 5 to 15 Mph.

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South Cow Mountain OHV Recreation Area Temperature Statistics

September Temperature

Ukiah Municipal Airport (8.7 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    64.2 °F

  • Highest 7 September, 2026

    90 °F

Climate (2021–2026)

Ukiah Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.1 °F
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