Arnold Weather Forecast

    • 44
    • 68

    Increasing Clouds

    • 43
    • 76

    Partly Sunny

    • 43
    • 76

    Mostly Sunny

    • 46
    • 80

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

    • 52
    • 86

    Partly Sunny

Today 6 May Northwestern Mendocino Interior

Mostly cloudy in the morning then clearing. Areas of valley fog in the morning. Highs 63 to 78.

Tonight 6 May Northwestern Mendocino Interior

Mostly clear. Areas of valley fog overnight. Lows 43 to 53.

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Arnold Temperature Statistics

May Temperature

Ukiah Municipal Airport (28.6 miles)

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Climate (2021–Present)

Ukiah Municipal Airport (28.6 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    76.3 °F
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