Current conditions at

Marysville Union County Airport (KMRT)

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

Overcast

27°F

-3°C

Humidity 99%
Wind Speed NW 7 mph
Barometer 30.16 in
Dewpoint 27°F (-3°C)
Visibility 3.00 mi
Wind Chill19°F (-7°C)
Last update 4 Dec 5:55 am EST
Detailed forecast for

Union County

Today
Mostly cloudy, then becoming partly cloudy this late morning and early afternoon, then becoming mostly sunny. Highs in the mid 20s. Temperatures falling to around 20 this afternoon. North winds 5 to 10 mph.
Tonight
Mostly clear. Cooler with lows 0 to 5 above. Northeast winds around 5 mph, becoming southeast after midnight.
Friday
Partly cloudy. Highs in the upper 20s. South winds around 5 mph.
Friday Night
Partly cloudy in the evening, then becoming mostly cloudy. Warmer with lows 15 to 20. Temperatures rising into the lower 20s after midnight. Southwest winds 5 to 10 mph.
Saturday
Mostly cloudy. Highs in the lower 30s. Southwest winds 5 to 10 mph.
Saturday Night
Mostly cloudy. Lows in the lower 20s.
Sunday
Mostly cloudy. Highs around 30.
Sunday Night
Partly cloudy. Lows 10 to 15.
Monday
Partly cloudy. Unseasonably cold with highs in the mid 20s.
Monday Night
Partly cloudy. Lows around 10 above.
Tuesday
Mostly cloudy with a 40 percent chance of snow. Highs in the lower 30s.
Tuesday Night
Mostly cloudy. A chance of snow after midnight. Warmer with lows in the mid 20s. Chance of snow 40 percent.
Wednesday
Mostly cloudy. A chance of rain and snow in the morning, then rain likely in the afternoon. Highs in the mid 30s. Chance of precipitation 60 percent.



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558 AM EST Thu Dec 4 2025
 
 

Additional Resources

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Hourly Weather Forecast

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