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

30°F

-1°C

Humidity 77%
Wind Speed W 10 mph
Barometer 30.40 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 11 Jan 9:55 pm EST
Extended Forecast for

4 Miles ENE North Lewisburg OH

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Southwest wind around 8 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. Southwest wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 36. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 1pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 41 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.

    Low: 15 °F

    Snow Likely

  • Thursday

    Thursday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 38. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 28. Southwest wind around 8 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 45. Southwest wind 8 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 36. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain before 1pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Partly sunny, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE North Lewisburg OH
 40.23°N 83.49°W (Elev. 1007 ft)
Last Update:
5:45 pm EST Jan 11, 2026
Forecast Valid:
10pm EST Jan 11, 2026-6pm EST Jan 18, 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