South Cow Mountain OHV Recreation Area Weather Forecast

    • 61
    • 76

    Mostly Sunny

    • 63
    • 72

    Sunny

    • 70
    • 80

    Sunny

    • 69
    • 82

    Sunny

    • 69
    • 83

    Sunny

    • 67
    • 81

    Mostly Sunny

    • 65
    • 76

    Mostly Sunny

Today 13 Sep Southern Lake County

Sunny. Highs 78 to 91.

Tonight 13 Sep Southern Lake County

Mostly clear. Lows 51 to 61.

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South Cow Mountain OHV Recreation Area Temperature Statistics

September Temperature

Ukiah Municipal Airport (8.7 miles)

  • Lowest 7 September, 2025

    50 °F

  • Average September

    69.5 °F

  • Highest 2 September, 2025

    102.9 °F

Climate (2020–Present)

Ukiah Municipal Airport (8.7 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    76.3 °F
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