Transportation Research Center of Ohio Airport Weather Forecast

    • 37
    • 63

    Rain Showers Likely

    • 31
    • 53

    Mostly Sunny

    • 35
    • 60

    Sunny

    • 38
    • 66

    Mostly Sunny

    • 41
    • 69

    Mostly Sunny

    • 43
    • 70

    Mostly Sunny

    • 45
    • 70

    Mostly Sunny

Today 16 Oct Union

Mostly sunny. Highs in the lower 70s.

Tonight 16 Oct Union

Mostly cloudy with Showers likely this Evening, then partly cloudy after midnight. Much cooler with Lows in the upper 30s. Northwest Winds 10 to 15 Mph, becoming north this late evening and overnight. Gusts up to 30 Mph. Chance of rain 60 percent.

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Transportation Research Center of Ohio Airport Temperature Statistics

October Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 6 October, 2026

    37.4 °F

  • Average October

    62.4 °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

    62.5 °F
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