Potter Valley Weather Forecast

    • 46
    • 90

    Mostly Sunny

    • 45
    • 80

    Mostly Sunny

    • 47
    • 83

    Mostly Sunny

    • 50
    • 89

    Mostly Sunny

    • 50
    • 92

    Mostly Sunny

    • 51
    • 90

    Mostly Sunny

    • 50
    • 90

    Mostly Sunny

Today 15 Sep Northwestern Interior Mendocino

Sunny. Highs 79 to 94.

Tonight 15 Sep Northwestern Interior Mendocino

Mostly clear. Lows 43 to 53.

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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

    68.5 °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

    76.1 °F
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