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.

Overcast

39°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 39°F (4°C)
Visibility 5.00 mi
Last update 18 Nov 7:15 pm EST
Extended Forecast for

Plain City OH

  • Tonight

    Tonight: Rain, mainly before 9pm. Widespread fog, mainly before 3am. Low around 36. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain and Fog
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 50. Northeast wind around 6 mph.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 53. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 53 °F

    Cloudy

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 57. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain, mainly before 9pm. Widespread fog, mainly before 3am. Low around 36. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 50. Northeast wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 37. Calm wind.
Thursday
Cloudy, with a high near 53. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
A chance of rain. Cloudy, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain. Cloudy, with a high near 57. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Plain City OH
 40.11°N 83.27°W (Elev. 928 ft)
Last Update:
4:00 pm EST Nov 18, 2025
Forecast Valid:
7pm EST Nov 18, 2025-6pm EST Nov 25, 2025
 
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