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.

Overcast

39°F

4°C

Humidity 84%
Wind Speed NE 5 mph
Barometer 30.21 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 9 Jan 9:55 pm EST
Extended Forecast for

Marysville OH

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely, mainly between 1pm and 5pm. Cloudy, with a high near 49. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A slight chance of rain between 7pm and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 24. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of snow. Mostly cloudy, with a high near 31. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. West wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Light and variable wind.
Saturday
Rain likely, mainly between 1pm and 5pm. Cloudy, with a high near 49. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A slight chance of rain between 7pm and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 24. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 31. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 23. West wind 7 to 11 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville OH
 40.25°N 83.37°W (Elev. 997 ft)
Last Update:
4:00 pm EST Jan 9, 2026
Forecast Valid:
9pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
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