Longvale Weather Forecast

    • 50
    • 80

    Sunny

    • 52
    • 89

    Sunny

    • 52
    • 91

    Sunny

    • 51
    • 90

    Sunny

    • 52
    • 88

    Mostly Sunny

    • 50
    • 84

    Mostly Sunny

Today 14 Sep Northwestern Mendocino Interior

Sunny. Highs 72 to 87.

Tonight 14 Sep Northwestern Mendocino Interior

Clear. Lows 49 to 59.

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Longvale Temperature Statistics

September Temperature

Ukiah Municipal Airport (31.7 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 (31.7 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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