Arnold Weather Forecast

    • 39
    • 64

    Partly Sunny

    • 36
    • 59

    Partly Sunny

    • 36
    • 61

    Partly Sunny

    • 38
    • 60

    Partly Sunny

    • 40
    • 64

    Mostly Sunny

    • 35
    • 61

    Partly Sunny

Today 27 Nov Northwestern Mendocino Interior

Mostly cloudy early in the morning then becoming mostly sunny. Highs 58 to 71.

Tonight 27 Nov Northwestern Mendocino Interior

Mostly cloudy in the evening then becoming partly cloudy. Patchy valley fog overnight. Lows 36 to 46.

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Arnold Temperature Statistics

November Temperature

Ukiah Municipal Airport (28.6 miles)

  • Lowest 21 November, 2025

    37 °F

  • Average November

    54.5 °F

  • Highest 2 November, 2025

    79 °F

Climate (2020–Present)

Ukiah Municipal Airport (28.6 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    60.7 °F

  • Average High 2020–2025

    76 °F
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