Transportation Research Center of Ohio Airport Weather Forecast

    • 71
    • 90

    Sunny

    • 72
    • 93

    Mostly Sunny

    • 71
    • 92

    Mostly Sunny

    • 71
    • 92

    Chance Thunderstorms

    • 69
    • 89

    Rain Showers Likely

    • 64
    • 84

    Chance Thunderstorms

Today 14 Jul Union

Sunny. Highs around 90. West Winds around 5 Mph.

Tonight 14 Jul Union

Clear. Lows in the lower 70s. West Winds around 5 Mph.

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Transportation Research Center of Ohio Airport Temperature Statistics

July Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 8 July, 2026

    62.6 °F

  • Average July

    78 °F

  • Highest 3 July, 2026

    95 °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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