Potter Valley Weather Forecast

    • 48
    • 86

    Mostly Sunny

    • 50
    • 91

    Mostly Sunny

    • 50
    • 89

    Partly Sunny

    • 51
    • 92

    Mostly Sunny

    • 51
    • 92

    Mostly Sunny

    • 53
    • 96

    Mostly Sunny

    • 51
    • 94

    Partly Sunny

Today 18 Sep Northwestern Interior Mendocino

Partly cloudy. Lows 50 to 60. Highs 83 to 98.

Tonight 18 Sep Northwestern Interior Mendocino

Clear. Lows 46 to 56.

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Potter Valley Temperature Statistics

September Temperature

Ukiah Municipal Airport (13.7 miles)

  • Lowest 6 September, 2026

    45.6 °F

  • Average September

    68.2 °F

  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    76 °F
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