Transportation Research Center of Ohio Airport Weather Forecast

    • 69
    • 90

    Rain Showers Likely

    • 66
    • 83

    Rain Showers Likely

    • 64
    • 81

    Rain Showers Likely

    • 64
    • 83

    Chance Rain Showers

    • 67
    • 85

    Chance Rain Showers

    • 68
    • 86

    Rain Showers Likely

    • 65
    • 83

    Rain Showers Likely

Today 4 Jul Union

Partly cloudy Early, then becoming mostly cloudy. Showers and Thunderstorms likely. Highs around 90. West Winds around 10 Mph. Chance of rain 70 percent.

Tonight 4 Jul Union

Partly cloudy. Showers and Thunderstorms likely early this Evening, then a chance of Showers and Thunderstorms. Lows in the upper 60s. West Winds around 5 Mph early this Evening, becoming light and variable. Chance of rain 70 percent.

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Transportation Research Center of Ohio Airport Temperature Statistics

July Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 2 July, 2026

    69.8 °F

  • Average July

    82.5 °F

  • Highest 1 July, 2026

    93.2 °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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