Arnold Weather Forecast

    • 38
    • 54

    Rain

    • 30
    • 45

    Mostly Cloudy

    • 19
    • 36

    Chance Snow

    • 22
    • 31

    Partly Sunny

    • 32
    • 42

    Partly Sunny

    • 29
    • 44

    Slight Chance Rain

    • 19
    • 34

    Mostly Cloudy

Today 8 Jan Carroll

Rain. Not as cool. Near steady temperature in the lower 50s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 8 Jan Carroll

Rain early. A slight chance of Thunderstorms. A chance of rain. Lows in the upper 30s. South Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming west with Gusts up to 30 Mph after midnight. Chance of rain near 100 percent.

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Arnold Temperature Statistics

January Temperature

Tri-Township Airport (9.9 miles)

  • Lowest 1 January, 2026

    11.8 °F

  • Average January

    27.6 °F

  • Highest 5 January, 2026

    43.9 °F

Climate (2021–Present)

Tri-Township Airport (9.9 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    61.3 °F
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