Transportation Research Center of Ohio Airport Weather Forecast

    • 41
    • 68

    Sunny

    • 40
    • 68

    Mostly Sunny

    • 41
    • 69

    Mostly Sunny

    • 45
    • 71

    Mostly Sunny

    • 46
    • 72

    Partly Sunny

    • 44
    • 66

    Mostly Cloudy

    • 46
    • 67

    Partly Sunny

Today 22 Oct Union

Partly cloudy. Highs in the upper 60s.

Tonight 22 Oct Union

Clear. Patchy fog after midnight. Lows around 40. Northeast Winds around 5 Mph this Evening, becoming light and variable.

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Transportation Research Center of Ohio Airport Temperature Statistics

October Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 18 October, 2026

    32 °F

  • Average October

    59.6 °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 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    62.5 °F
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