Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 68°F (20°C)
Visibility 2.50 mi
Last update 15 Aug 2:35 am EDT
Extended Forecast for

3 Miles WSW Unionville Center OH

Flood Watch August 15, 12:00pm until August 16, 08:00am
Click here for hazard details and duration
Flood Watch
  • Overnight

    Overnight: Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall.  Low around 70. Southeast wind around 6 mph becoming southwest after midnight.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 70 °F

    Heavy Rain

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 86. West wind 7 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 68. West wind 6 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. Calm wind.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall. Low around 70. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 86. West wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. West wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Unionville Center OH
 40.11°N 83.39°W (Elev. 961 ft)
2:19 am EDT Aug 15, 2026
2am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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