Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Overcast

46°F

8°C

Humidity 62%
Wind Speed W 12 G 18 mph
Barometer 30.04 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 19 Apr 1:55 am EDT
Extended Forecast for

4 Miles ENE North Lewisburg OH

Freeze Warning April 20, 02:00am until April 20, 10:00am
Click here for hazard details and duration
Freeze Warning
  • Overnight

    Overnight: Mostly cloudy, with a low around 35. Northwest wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Areas of frost before 8am.  Otherwise, increasing clouds, with a high near 55. West wind 7 to 16 mph, with gusts as high as 32 mph.

    High: 55 °F

    Areas Frost
    then
    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 30. Northwest wind 6 to 11 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Decreasing
    Clouds then
    Frost

  • Monday

    Monday: Widespread frost before 9am.  Otherwise, sunny, with a high near 49. North wind 6 to 8 mph.

    High: 49 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Widespread frost after 4am.  Otherwise, mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 7am.  Otherwise, sunny, with a high near 71.

    High: 71 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. Northwest wind around 7 mph.
Sunday
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 55. West wind 7 to 16 mph, with gusts as high as 32 mph.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 30. Northwest wind 6 to 11 mph, with gusts as high as 26 mph.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 49. North wind 6 to 8 mph.
Monday Night
Widespread frost after 4am. Otherwise, mostly clear, with a low around 32. Calm wind becoming south around 5 mph after midnight.
Tuesday
Widespread frost before 7am. Otherwise, sunny, with a high near 71.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night
Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE North Lewisburg OH
 40.23°N 83.49°W (Elev. 1007 ft)
2:06 am EDT Apr 19, 2026
2am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
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