National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles WSW Unionville Center OH

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 12. Southwest wind 3 to 6 mph.

    Low: 12 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 33. South wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 33 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. South wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 48. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Chance Rain
    then Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Rain Likely

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 12. Southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 33. South wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 27. South wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 39. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 27. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph.
Thursday
Rain, mainly after 1pm. High near 48. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Unionville Center OH
 40.11°N 83.39°W (Elev. 961 ft)
Last Update:
6:12 pm EST Dec 15, 2025
Forecast Valid:
10pm EST Dec 15, 2025-6pm EST Dec 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation