Transportation Research Center of Ohio Airport Weather Forecast

    • 59
    • 78

    Rain Showers

    • 50
    • 73

    Rain Showers Likely

    • 40
    • 59

    Rain Showers

    • 39
    • 58

    Partly Sunny

    • 35
    • 54

    Partly Sunny

    • 35
    • 55

    Partly Sunny

    • 44
    • 63

    Mostly Cloudy

Today 27 Apr Union

Partly cloudy. Highs in the upper 70s. Southeast Winds 10 to 15 Mph.

Tonight 27 Apr Union

A chance of Showers and Thunderstorms this Evening, then Showers with a chance of Thunderstorms after midnight. Unseasonably warm with Lows in the upper 50s. Southeast Winds 15 to 20 Mph. Chance of rain 100 percent.

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Transportation Research Center of Ohio Airport Temperature Statistics

April Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 8 April, 2026

    26.6 °F

  • Average April

    57.4 °F

  • Highest 15 April, 2026

    82.4 °F

Climate (2021–Present)

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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