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Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Plain City OH

Frost Advisory October 19, 01:00am until October 19, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, clear, with a low around 33. Southeast wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 66. Calm wind.

    High: 66 °F

    Areas Frost
    then Sunny

  • Monday Night

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

    Low: 37 °F

    Clear

  • Tuesday

    Tuesday: Patchy frost before 9am. Otherwise, sunny, with a high near 68. Light northeast wind.

    High: 68 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. North wind around 5 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, clear, with a low around 33. Southeast wind around 5 mph becoming calm in the evening.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 66. Calm wind.
Monday Night
Clear, with a low around 37. Calm wind.
Tuesday
Patchy frost before 9am. Otherwise, sunny, with a high near 68. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 40. North wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Clear, with a low around 39.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Plain City OH
 40.11°N 83.3°W (Elev. 922 ft)
Last Update:
2:24 pm EDT Oct 18, 2026
Forecast Valid:
3pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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