Arnold Weather Forecast

    • 48
    • 65

    Sunny

    • 48
    • 64

    Mostly Sunny

    • 49
    • 64

    Partly Sunny

    • 47
    • 61

    Chance Rain Showers

    • 43
    • 53

    Chance Rain Showers

    • 44
    • 55

    Chance Rain Showers

Today 13 Dec West Slope Northern Sierra Nevada

Sunny. Highs 51 to 66 higher Elevations. 61 to 71 lower Elevations. Prevailing east Winds up to 10 Mph in the morning becoming light.

Tonight 13 Dec West Slope Northern Sierra Nevada

Clear, Colder. Lows 32 to 47 higher Elevations. 41 to 55 lower Elevations. Prevailing east Winds up to 10 Mph.

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Arnold Temperature Statistics

December Temperature

COLUMBIA (15.5 miles)

  • Lowest 4 December, 2025

    30.2 °F

  • Average December

    42.5 °F

  • Highest 10 December, 2025

    64.4 °F

Climate (2020–Present)

COLUMBIA (15.5 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    59.8 °F

  • Average High 2020–2025

    73.5 °F
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