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Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Sky Obscured with Haze

57°F

14°C

Humidity 44%
Wind Speed Calm
Barometer 30.47 in
Dewpoint 36°F (2°C)
Visibility 0.75 mi
Last update 18 Oct 6:35 pm EDT
Extended Forecast for

Middleburg OH

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

  • Tonight

    Tonight: Clear, with a low around 36. South wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Clear

  • Monday

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

    High: 66 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41. Calm wind.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Light northeast wind.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Light northeast wind.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 36. South wind around 5 mph becoming calm in the evening.
Monday
Patchy frost before 9am. Otherwise, sunny, with a high near 66. Calm wind.
Monday Night
Clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 67. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 42. Light northeast wind.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Middleburg OH
 40.28°N 83.57°W (Elev. 1102 ft)
Last Update:
6:23 pm EDT Oct 18, 2026
Forecast Valid:
6pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026
 
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