Current conditions at

Marysville Union County Airport (KMRT)

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

Fair

61°F

16°C

Humidity 68%
Wind Speed NE 16 mph
Barometer 30.24 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 2 Jun 9:15 am EDT
Detailed forecast for

Union County

Today
Sunny. Highs in the mid 70s. Northeast winds 10 to 15 mph.
Tonight
Mostly clear. Lows around 50. Northeast winds 10 to 15 mph, diminishing to around 5 mph after midnight.
Wednesday
Sunny. Highs in the upper 70s. Northeast winds around 5 mph.
Wednesday Night
Clear. Lows in the mid 50s. East winds around 5 mph in the evening, becoming light and variable.
Thursday
Mostly sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph.
Thursday Night
Mostly clear. Lows in the lower 60s.
Friday
Partly cloudy. Highs in the mid 80s.
Friday Night
Partly cloudy. Lows in the lower 60s.
Saturday
Partly cloudy. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
Saturday Night
Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.
Sunday
Partly cloudy. A chance of showers. Highs in the mid 80s. Chance of rain 50 percent.
Sunday Night
Partly cloudy. A chance of showers in the evening. Lows in the mid 60s. Chance of rain 50 percent.
Monday
Partly cloudy. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.



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609 AM EDT Tue Jun 2 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database