Arnold Weather Forecast

    • 42
    • 54

    Rain

    • 41
    • 59

    Chance Rain

    • 43
    • 63

    Rain

    • 37
    • 56

    Rain

    • 33
    • 52

    Rain Likely

    • 26
    • 51

    Chance Rain

Today 3 Dec Northwestern Mendocino Interior

Cloudy. Rain in the Morning, then chance of rain in the afternoon. Highs 49 to 60.

Tonight 3 Dec Northwestern Mendocino Interior

Rain in the Evening, then rain likely overnight. Lows 39 to 49.

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Arnold Temperature Statistics

December Temperature

Ukiah Municipal Airport (28.6 miles)

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  • Average December

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Climate (2018–Present)

Ukiah Municipal Airport (28.6 miles)

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  • Average Low 2018–2023

    46.7 °F
  • Average 2018–2023

    59.9 °F
  • Average High 2018–2023

    75.5 °F
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