National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fair

54°F

12°C

Humidity 54%
Wind Speed N 12 mph
Barometer 30.45 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 17 Oct 2:55 pm EDT
Extended Forecast for

4 Miles NNE Plain City OH

Freeze Warning October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 30. North wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.

    High: 60 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 5am. Otherwise, clear, with a low around 34. Light southeast wind.

    Low: 34 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 66. Light east wind.

    High: 66 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

Detailed Forecast

Tonight
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 30. North wind around 6 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Areas of frost after 5am. Otherwise, clear, with a low around 34. Light southeast wind.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 66. Light east wind.
Monday Night
Mostly clear, with a low around 37. Calm wind.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Plain City OH
 40.15°N 83.24°W (Elev. 984 ft)
Last Update:
2:32 pm EDT Oct 17, 2026
Forecast Valid:
3pm EDT Oct 17, 2026-6pm EDT Oct 24, 2026
 
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