Arnold Weather Forecast

    • 36
    • 48

    Areas Fog

    • 37
    • 48

    Rain Showers

    • 35
    • 42

    Rain Showers

    • 40
    • 53

    Mostly Sunny

    • 39
    • 56

    Mostly Sunny

    • 40
    • 58

    Mostly Sunny

    • 41
    • 59

    Partly Sunny

Today 18 Nov West Slope Northern Sierra Nevada

Mostly sunny. At higher Elevations, a slight chance of snow Showers early in the morning. Patchy fog in the morning. Not as cool. Highs 35 to 50 higher Elevations. 45 to 57 lower Elevations. Prevailing northeast Winds up to 10 Mph.

Tonight 18 Nov West Slope Northern Sierra Nevada

Mostly clear. At lower Elevations, patchy fog in the evening. Areas of fog after midnight. At higher Elevations, Areas of fog. Locally dense after midnight. Lows 21 to 36 higher Elevations. 32 to 42 lower Elevations. Light Winds.

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Arnold Temperature Statistics

November Temperature

COLUMBIA (15.5 miles)

  • Lowest 3 November, 2025

    46.4 °F

  • Average November

    57.8 °F

  • Highest 10 November, 2025

    78.8 °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

    73.6 °F
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