Plain City Weather Forecast

    • 32
    • 38

    Rain

    • 21
    • 41

    Rain/Snow

    • 21
    • 30

    Chance Snow

    • 19
    • 32

    Chance Snow

    • 11
    • 27

    Chance Snow

    • 4
    • 18

    Partly Sunny

    • 12
    • 24

    Chance Freezing Rain

Today 9 Dec Madison

Partly cloudy. Highs in the upper 30s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 9 Dec Madison

Partly cloudy early this Evening, then becoming cloudy. A chance of rain this Evening, then rain after midnight. Breezy and warmer with Lows in the lower 30s. Southwest Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of rain 80 percent.

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Plain City Temperature Statistics

December Temperature

Marysville Union County Airport (8.7 miles)

  • Lowest 5 December, 2025

    3.4 °F

  • Average December

    25.6 °F

  • Highest 7 December, 2025

    35.8 °F

Climate (2020–Present)

Marysville Union County Airport (8.7 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    62 °F
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