Plain City Weather Forecast

    • 50
    • 77

    Mostly Sunny

    • 43
    • 73

    Sunny

    • 50
    • 72

    Mostly Sunny

    • 58
    • 79

    Rain Showers

    • 56
    • 70

    Rain Showers

    • 54
    • 74

    Mostly Cloudy

Today 7 Oct Madison

Sunny. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 7 Oct Madison

Mostly clear. Lows in the lower 50s. West Winds 5 to 10 Mph.

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Plain City Temperature Statistics

October Temperature

Marysville Union County Airport (8.7 miles)

  • Lowest 5 October, 2026

    41 °F

  • Average October

    60.9 °F

  • Highest 1 October, 2026

    87.8 °F

Climate (2021–2026)

Marysville Union County Airport (8.7 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    62.6 °F
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