Transportation Research Center of Ohio Airport Weather Forecast

    • 53
    • 77

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

    • 58
    • 79

    Rain Showers

    • 56
    • 70

    Rain Showers

    • 54
    • 74

    Partly Sunny

Today 7 Oct Union

Sunny. Highs in the upper 70s. Southwest Winds 10 to 15 Mph.

Tonight 7 Oct Union

Mostly clear. Lows around 50. West Winds 5 to 10 Mph.

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Transportation Research Center of Ohio Airport Temperature Statistics

October Temperature

Marysville Union County Airport (11.2 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 (11.2 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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