Transportation Research Center of Ohio Airport Weather Forecast

    • 58
    • 89

    Increasing Clouds

    • 60
    • 87

    Partly Sunny

    • 62
    • 86

    Chance Rain Showers

    • 61
    • 81

    Rain Showers Likely

    • 60
    • 80

    Chance Rain Showers

    • 58
    • 77

    Chance Rain Showers

Today 19 Sep Union

Sunny. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 19 Sep Union

Partly cloudy. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Transportation Research Center of Ohio Airport Temperature Statistics

September Temperature

Marysville Union County Airport (11.2 miles)

  • Lowest 9 September, 2025

    37.4 °F

  • Average September

    61.2 °F

  • Highest 15 September, 2025

    86 °F

Climate (2020–Present)

Marysville Union County Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    62 °F
Get WillyWeather+ to remove ads