Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

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

Fair

68°F

20°C

Humidity 49%
Wind Speed S 9 mph
Barometer 29.90 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Apr 10:55 pm EDT
Detailed forecast for

Union County

Tonight
Partly cloudy. Unseasonably warm with lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph.
Saturday
Showers with a chance of thunderstorms. Highs in the lower 70s. Temperatures falling into the lower 60s in the afternoon. Southwest winds 15 to 20 mph, becoming west in the afternoon. Chance of rain 100 percent.
Saturday Night
Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Much cooler with lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Sunday
Mostly sunny in the morning, then becoming partly cloudy. Much cooler with highs in the mid 50s. West winds 15 to 20 mph with gusts up to 30 mph.
Sunday Night
Partly cloudy in the evening, then clearing. Lows in the lower 30s. Northwest winds 10 to 15 mph.
Monday
Sunny. Highs around 50.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s.
Tuesday
Partly cloudy. Warmer with highs in the lower 70s.
Tuesday Night
Partly cloudy. Warmer with lows in the lower 50s.
Wednesday
Partly cloudy. Highs in the lower 70s.
Wednesday Night
Partly cloudy in the evening, then clearing. Lows around 50.
Thursday
Mostly sunny. Highs in the upper 70s.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
Friday
Partly cloudy. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.



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404 PM EDT Fri Apr 17 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database