Arnold Weather Forecast

    • 46
    • 70

    Rain Likely

    • 42
    • 55

    Rain

    • 39
    • 52

    Rain

    • 37
    • 54

    Chance Rain

    • 43
    • 65

    Sunny

    • 47
    • 70

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

Today 30 Mar West Slope Northern Sierra Nevada

Partly cloudy in the morning then becoming mostly cloudy. Highs 51 to 66 higher Elevations. 65 to 75 lower Elevations. Prevailing south Winds up to 10 Mph shifting to the southwest with Gusts to around 35 Mph in the afternoon.

Tonight 30 Mar West Slope Northern Sierra Nevada

Mostly cloudy. At lower Elevations, a slight chance of rain in the Evening, then a chance of rain after midnight. At higher Elevations, a slight chance of rain in the Evening, then a chance of rain and snow after midnight. Colder. Lows 30 to 45 higher Elevations. 41 to 53 lower Elevations. Snow level above 8000 feet. Prevailing southwest Winds up to 10 Mph with Gusts to around 35 Mph. Over Ridges, prevailing southwest Winds 15 to 25 Mph decreasing to 5 to 15 Mph after midnight.

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Arnold Temperature Statistics

March Temperature

COLUMBIA (15.5 miles)

  • Lowest 5 March, 2026

    33.8 °F

  • Average March

    54.2 °F

  • Highest 28 March, 2026

    78.8 °F

Climate (2021–Present)

COLUMBIA (15.5 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    60 °F

  • Average High 2021–2026

    73.9 °F
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