Transportation Research Center of Ohio Airport Weather Forecast

    • 64
    • 82

    Increasing Clouds

    • 69
    • 87

    Partly Sunny

    • 72
    • 90

    Partly Sunny

    • 72
    • 92

    Partly Sunny

    • 71
    • 91

    Chance Rain Showers

    • 69
    • 88

    Chance Rain Showers

Today 29 Aug Union

Mostly sunny. Highs in the lower 80s. Southeast Winds around 5 Mph.

Tonight 29 Aug Union

Partly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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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

    71.6 °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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