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.

Fair

50°F

10°C

Humidity 100%
Wind Speed W 1 mph
Barometer 30.16 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Jul 5:35 am EDT
Extended Forecast for

Unionville Center OH

  • Today

    Today: Sunny, with a high near 76. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Light north wind.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 59. Light north wind.
Saturday
Sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 89.
Monday Night
Showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville Center OH
 40.13°N 83.35°W (Elev. 971 ft)
Last Update:
4:00 am EDT Jul 23, 2026
Forecast Valid:
5am EDT Jul 23, 2026-6pm EDT Jul 29, 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