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.

N/A

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

Middleburg OH

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 57. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Slight Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers, mainly before 8am. High near 68. West wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Light south wind.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers. Partly cloudy, with a low around 48. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Calm wind.
Wednesday
Sunny, with a high near 80. Light southwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 57. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, mainly before 8am. High near 68. West wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly clear, with a low around 49. Light south wind.
Friday
Mostly sunny, with a high near 76.
Friday Night
A chance of showers. Partly cloudy, with a low around 48. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 75.
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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:
4:00 pm EDT Sep 2, 2025
Forecast Valid:
5pm EDT Sep 2, 2025-6pm EDT Sep 9, 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