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.

Fair

52°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 4 Oct 1:17 am EDT
Extended Forecast for

4 Miles ENE North Lewisburg OH

  • Overnight

    Overnight: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. South wind around 6 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. South wind around 6 mph becoming calm after midnight.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 90%.

    High: 74 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 55. Calm wind.
Saturday
Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53. South wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 55. South wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 82.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Tuesday
Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Wednesday
A chance of showers before 8am. Mostly sunny, with a high near 64. Chance of precipitation is 30%.
Wednesday Night
Clear, with a low around 38.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
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:
1:17 am EDT Oct 4, 2025
Forecast Valid:
1am EDT Oct 4, 2025-6pm EDT Oct 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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