Transportation Research Center of Ohio Airport Weather Forecast

    • 37
    • 48

    Chance Rain

    • 34
    • 46

    Mostly Cloudy

    • 47
    • 56

    Rain

    • 39
    • 55

    Rain Likely

    • 24
    • 46

    Slight Chance Rain/Snow

    • 21
    • 31

    Partly Sunny

Today 6 Jan Union

Patchy fog in the morning. Mostly cloudy with a 40 percent chance of rain. Highs in the upper 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 6 Jan Union

Mostly cloudy. Lows in the lower 30s. South Winds 5 to 10 Mph.

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Transportation Research Center of Ohio Airport Temperature Statistics

January Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 1 January, 2026

    2.3 °F

  • Average January

    20.4 °F

  • Highest 3 January, 2026

    27 °F

Climate (2021–Present)

Marysville Union County Airport (11.2 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    62 °F
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