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.

Mostly Cloudy

45°F

7°C

Humidity 93%
Wind Speed N 14 G 20 mph
Barometer 30.45 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 17 Oct 10:35 am EDT
Extended Forecast for

Plain City OH

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

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 54. North wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 54 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 30. Light north wind.

    Low: 30 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.

    High: 61 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm 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.

    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 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 54. North wind 8 to 13 mph, with gusts as high as 24 mph.
Tonight
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 30. Light north wind.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm 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.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plain City OH
 40.11°N 83.27°W (Elev. 928 ft)
Last Update:
6:01 am EDT Oct 17, 2026
Forecast Valid:
10am EDT Oct 17, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation