Transportation Research Center of Ohio Airport Weather Forecast

    • 55
    • 67

    Increasing Clouds

    • 62
    • 73

    Rain

    • 30
    • 71

    Rain

    • 33
    • 43

    Chance Rain/Snow

    • 29
    • 53

    Breezy

    • 38
    • 49

    Chance Rain

Today 9 Mar Union

Sunny. Highs in the upper 60s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon.

Tonight 9 Mar Union

Clear in the Evening, then becoming partly cloudy. Warmer with Lows in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Transportation Research Center of Ohio Airport Temperature Statistics

March Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 2 March, 2026

    21.2 °F

  • Average March

    46.7 °F

  • Highest 6 March, 2026

    75.2 °F

Climate (2021–Present)

Marysville Union County Airport (11.2 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.4 °F
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