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

64°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 6 Oct 10:08 pm EDT
Extended Forecast for

Plain City OH

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 73. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 73 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 48. North wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 65. North wind 9 to 13 mph.

    High: 65 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 36. Northeast wind 6 to 10 mph.

    Low: 36 °F

    Clear

  • Thursday

    Thursday: Patchy frost before 9am. Otherwise, sunny, with a high near 63.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 5am. Otherwise, clear, with a low around 35.

    Low: 35 °F

    Clear then
    Patchy Frost

  • Friday

    Friday: Patchy frost before 9am. Otherwise, sunny, with a high near 68.

    High: 68 °F

    Patchy Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 73. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 48. North wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 65. North wind 9 to 13 mph.
Wednesday Night
Clear, with a low around 36. Northeast wind 6 to 10 mph.
Thursday
Patchy frost before 9am. Otherwise, sunny, with a high near 63.
Thursday Night
Patchy frost after 5am. Otherwise, clear, with a low around 35.
Friday
Patchy frost before 9am. Otherwise, sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 43.
Columbus Day
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plain City OH
 40.11°N 83.27°W (Elev. 928 ft)
Last Update:
6:29 pm EDT Oct 6, 2025
Forecast Valid:
10pm EDT Oct 6, 2025-6pm EDT Oct 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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