Transportation Research Center of Ohio Airport Weather Forecast

    • 68
    • 83

    Rain Showers Likely

    • 59
    • 79

    Slight Chance Thunderstorms

    • 62
    • 78

    Mostly Sunny

    • 60
    • 78

    Rain Showers Likely

    • 55
    • 75

    Partly Sunny

    • 56
    • 75

    Mostly Sunny

    • 58
    • 77

    Slight Chance Thunderstorms

Today 16 Aug Union

Showers likely with a chance of Thunderstorms. Near steady Temperatures around 80. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 16 Aug Union

Mostly cloudy early this Evening, then becoming partly cloudy. Showers likely with a chance of Thunderstorms this evening. Lows in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest around 5 Mph late. Chance of rain 70 percent.

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Transportation Research Center of Ohio Airport Temperature Statistics

August Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 4 August, 2026

    50 °F

  • Average August

    72.6 °F

  • Highest 6 August, 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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