Transportation Research Center of Ohio Airport Weather Forecast

    • 68
    • 82

    Partly Sunny

    • 73
    • 91

    Partly Sunny

    • 74
    • 93

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

    • 75
    • 95

    Slight Chance Thunderstorms

    • 73
    • 94

    Chance Thunderstorms

    • 71
    • 92

    Chance Thunderstorms

Today 28 Jun Union

Mostly cloudy early this Morning, then becoming partly cloudy. Patchy fog early this morning. A slight chance of Showers and Thunderstorms early this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Northeast Winds around 5 Mph. Chance of rain 30 percent.

Tonight 28 Jun Union

Partly cloudy. Patchy fog after midnight. Lows in the upper 60s. North Winds around 5 Mph, becoming east around 5 Mph this late evening and early Morning, then becoming light and variable late.

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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

    70.3 °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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