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 | S 1 mph |
| Barometer | 30.15 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 0.75 mi |
| Last update | 15 Aug 3:55 am EDT |
Extended Forecast for
Marysville OH
Flood Watch August 15, 12:00pm until August 16, 08:00am
Today
High: 83 °F
Mostly Cloudy
then Chance
T-stormsTonight
Low: 70 °F
Heavy Rain
Sunday
High: 85 °F
Slight Chance
T-storms then
Showers
LikelySunday Night
Low: 68 °F
Chance
T-storms then
Slight Chance
ShowersMonday

High: 79 °F
Mostly Sunny
Monday Night

Low: 58 °F
Mostly Clear
Tuesday

High: 79 °F
Sunny
Tuesday Night

Low: 60 °F
Mostly Clear
Wednesday
High: 81 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
Today
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 40%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
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 85. West wind 8 to 13 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
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 79. Northwest wind 6 to 9 mph.
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 81. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST
Point Forecast:
Marysville OH
40.25°N 83.37°W (Elev. 997 ft)
40.25°N 83.37°W (Elev. 997 ft)
4:00 am EDT Aug 15, 2026
4am EDT Aug 15, 2026-6pm EDT Aug 21, 2026



