Transportation Research Center of Ohio Airport Weather Forecast

    • 62
    • 71

    Partly Sunny

    • 53
    • 78

    Rain Showers Likely

    • 49
    • 64

    Rain Showers

    • 63
    • 78

    Rain Showers Likely

    • 60
    • 75

    Rain Showers Likely

    • 45
    • 78

    Rain Showers Likely

Today 30 Mar Union

Partly cloudy with a 20 percent chance of Showers. Unseasonably warm with Highs in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 30 Mar Union

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Unseasonably warm with Lows in the lower 60s. Southwest Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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Transportation Research Center of Ohio Airport Temperature Statistics

March Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 18 March, 2026

    15.8 °F

  • Average March

    46.6 °F

  • Highest 26 March, 2026

    80.6 °F

Climate (2021–Present)

Marysville Union County Airport (11.2 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.4 °F
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