Arnold Weather Forecast

    • 28
    • 34

    Chance Snow

    • 11
    • 33

    Chance Snow Showers

    • 11
    • 21

    Mostly Cloudy

    • 2
    • 17

    Partly Sunny

    • 11
    • 18

    Mostly Cloudy

    • 21
    • 35

    Chance Freezing Rain

Today 16 Jan Union

Mostly cloudy with a 40 percent chance of snow. Highs in the mid 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 16 Jan Union

Mostly cloudy with a 50 percent chance of snow. Lows in the upper 20s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Arnold Temperature Statistics

January Temperature

Marysville Union County Airport (7.5 miles)

  • Lowest 1 January, 2026

    2.3 °F

  • Average January

    33.5 °F

  • Highest 9 January, 2026

    62.1 °F

Climate (2021–Present)

Marysville Union County Airport (7.5 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    62.1 °F
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