Transportation Research Center of Ohio Airport Weather Forecast

    • 40
    • 64

    Becoming Sunny

    • 56
    • 71

    Rain Showers

    • 42
    • 66

    Chance Rain Showers

    • 41
    • 60

    Partly Sunny

    • 54
    • 67

    Chance Rain Showers

    • 60
    • 83

    Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

Today 11 May Union

Mostly sunny until late Afternoon, then becoming partly cloudy. Highs in the mid 60s. Light and variable Winds, becoming north around 5 Mph late this Morning, then becoming northwest this afternoon.

Tonight 11 May Union

Partly cloudy early this Evening, then clearing. Lows in the lower 40s. Northeast Winds 5 to 10 Mph, becoming around 5 Mph after midnight.

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Transportation Research Center of Ohio Airport Temperature Statistics

May Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 2 May, 2026

    33.8 °F

  • Average May

    52.3 °F

  • Highest 4 May, 2026

    75.2 °F

Climate (2021–Present)

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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