Transportation Research Center of Ohio Airport Weather Forecast

    • 61
    • 81

    Chance Thunderstorms

    • 64
    • 77

    Rain Showers

    • 63
    • 80

    Chance Thunderstorms

    • 69
    • 85

    Partly Sunny

    • 73
    • 91

    Mostly Sunny

    • 74
    • 94

    Mostly Sunny

Today 25 Jun Union

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. Southwest Winds 10 to 15 Mph, becoming west late. Chance of rain 50 percent.

Tonight 25 Jun Union

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the lower 60s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Transportation Research Center of Ohio Airport Temperature Statistics

June Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 3 June, 2026

    48.2 °F

  • Average June

    70.4 °F

  • Highest 10 June, 2026

    91.4 °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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