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

4 Miles NE North Lewisburg OH

  • Today

    Today: A chance of rain before 11am. Mostly cloudy, with a high near 46. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 51. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 51 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Southwest wind around 6 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. South wind 3 to 7 mph.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 60%.

    High: 62 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain before 11am. Mostly cloudy, with a high near 46. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 32. Calm wind.
Washington's Birthday
Partly sunny, with a high near 51. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 36. Southwest wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 55. South wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 52.
Friday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE North Lewisburg OH
 40.28°N 83.51°W (Elev. 1093 ft)
Last Update:
6:05 am EST Feb 15, 2026
Forecast Valid:
9am EST Feb 15, 2026-6pm EST Feb 21, 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