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.

Partly Cloudy

36°F

2°C

Humidity 93%
Wind Speed S 7 mph
Barometer 30.12 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 19 Mar 8:15 am EDT
Extended Forecast for

4 Miles NE North Lewisburg OH

  • Today

    Today: A slight chance of showers between 9am and 10am. Mostly sunny, with a high near 57. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 41. Calm wind becoming south around 5 mph after midnight.

    Low: 41 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 66. Southwest wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. West wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

    Low: 35 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers between 9am and 10am. Mostly sunny, with a high near 57. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 41. Calm wind becoming south around 5 mph after midnight.
Friday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 66. Southwest wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 43. West wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 22 mph.
Saturday
Mostly sunny, with a high near 64. Light and variable wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 58.
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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:
4:00 am EDT Mar 19, 2026
Forecast Valid:
8am EDT Mar 19, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation