Transportation Research Center of Ohio Airport Weather Forecast

    • 57
    • 77

    Mostly Sunny

    • 53
    • 73

    Chance Rain Showers

    • 54
    • 73

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 62
    • 79

    Slight Chance Thunderstorms

    • 61
    • 81

    Chance Thunderstorms

    • 61
    • 79

    Mostly Sunny

Today 22 Aug Union

Showers with a chance of Thunderstorms. Highs in the upper 70s. West Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 22 Aug Union

Partly cloudy early this Evening, then clearing. A chance of Showers and Thunderstorms this evening. Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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

    72.9 °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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