Arnold Weather Forecast

    • 46
    • 65

    Sunny

    • 46
    • 64

    Mostly Sunny

    • 45
    • 63

    Partly Sunny

    • 45
    • 62

    Mostly Sunny

    • 43
    • 62

    Mostly Sunny

    • 41
    • 58

    Partly Sunny

Today 16 Jan West Slope Northern Sierra Nevada

Sunny. Highs 45 to 60 higher Elevations. 60 to 70 lower Elevations. Prevailing east Winds up to 15 Mph with Gusts to around 30 Mph.

Tonight 16 Jan West Slope Northern Sierra Nevada

Clear. Lows 28 to 43 higher Elevations. 40 to 52 lower Elevations. Prevailing east Winds up to 15 Mph.

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Arnold Temperature Statistics

January Temperature

COLUMBIA (15.5 miles)

  • Lowest 9 January, 2026

    28.4 °F

  • Average January

    46.6 °F

  • Highest 13 January, 2026

    66.2 °F

Climate (2021–Present)

COLUMBIA (15.5 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    59.8 °F

  • Average High 2021–2026

    73.6 °F
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