Arnold Weather Forecast

    • 32
    • 59

    Partly Sunny

    • 29
    • 61

    Partly Sunny

    • 30
    • 61

    Mostly Sunny

    • 31
    • 60

    Mostly Sunny

    • 35
    • 62

    Mostly Sunny

    • 37
    • 64

    Mostly Sunny

Today 30 Nov Northwestern Mendocino Interior

Mostly cloudy early in the morning then clearing. Areas of frost in the morning. Highs 52 to 65.

Tonight 30 Nov Northwestern Mendocino Interior

Partly cloudy. Patchy frost in the evening. Widespread frost overnight. Lows 31 to 41.

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Arnold Temperature Statistics

November Temperature

Ukiah Municipal Airport (28.6 miles)

  • Lowest 26 November, 2025

    34 °F

  • Average November

    53.6 °F

  • Highest 2 November, 2025

    79 °F

Climate (2020–Present)

Ukiah Municipal Airport (28.6 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    76 °F
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