Hazardous Weather Conditions
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
Overnight

Low: 66 °F
Mostly Cloudy
Saturday
High: 83 °F
Mostly Cloudy
then Chance
T-stormsSaturday Night
Low: 70 °F
Heavy Rain
Sunday
High: 86 °F
Chance
Showers then
Showers
LikelySunday Night
Low: 68 °F
Showers
Likely then
Chance
ShowersMonday

High: 80 °F
Mostly Sunny
Monday Night

Low: 58 °F
Mostly Clear
Tuesday

High: 79 °F
Sunny
Tuesday Night

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)
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



