Transportation Research Center of Ohio Airport Weather Forecast

    • 69
    • 86

    Rain Showers Likely

    • 65
    • 82

    Rain Showers

    • 65
    • 82

    Chance Thunderstorms

    • 65
    • 82

    Chance Thunderstorms

    • 59
    • 79

    Chance Rain Showers

    • 65
    • 79

    Chance Rain Showers

Today 10 Aug Union

Mostly cloudy with Showers likely with a chance of Thunderstorms this Morning, then partly cloudy with a chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 10 Aug Union

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Muggy. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 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

    62.6 °F
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