Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22° N Lon: 83.35° W Elev: 1021 ft.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 2.50 mi
Last update 27 Jul 6:55 am EDT
Detailed forecast for

Union County

Today
Patchy fog this morning. Partly cloudy. Highs in the upper 80s. West winds 5 to 10 mph.
Tonight
Showers with a chance of thunderstorms. Muggy. Lows around 70. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 100 percent.
Tuesday
Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly cloudy in the afternoon. Humid with highs in the lower 80s. West winds 10 to 15 mph, becoming north in the afternoon. Chance of rain 20 percent.
Tuesday Night
Partly cloudy in the evening, then clearing. Lows in the lower 60s. North winds 10 to 15 mph with gusts up to 25 mph.
Wednesday
Mostly sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Wednesday Night
Clear. Lows in the upper 50s.
Thursday
Sunny. Highs in the lower 80s.
Thursday Night
Mostly clear. Lows in the lower 60s.
Friday
Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
Friday Night
Partly cloudy. Lows in the mid 60s.
Saturday
Partly cloudy. A chance of showers. Highs in the lower 80s. Chance of rain 40 percent.
Saturday Night
Partly cloudy. A chance of showers in the evening. Lows in the mid 60s. Chance of rain 40 percent.
Sunday
Partly cloudy. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.



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404 AM EDT Mon Jul 27 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database