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Regional Weather Summary - December 2025

Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Overcast

32°F

0°C

Humidity	88%
Wind Speed	SW 10 mph
Barometer	29.96 in
Dewpoint	29°F (-2°C)
Visibility	10.00 mi
Wind Chill	24°F (-4°C)
Last update	11 Jan 1:55 am EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles ESE Irwin OH

Overnight
Low: 24 °F
Snow Showers
Sunday
High: 33 °F
Chance Snow
Showers and
Breezy
Sunday Night
Low: 23 °F
Mostly Cloudy
Monday
High: 39 °F
Mostly Sunny
Monday Night
Low: 28 °F
Partly Cloudy
Tuesday
High: 45 °F
Mostly Cloudy
Tuesday Night
Low: 36 °F
Chance Rain
Wednesday
High: 41 °F
Rain Likely
Wednesday Night
Low: 15 °F
Chance Snow

Detailed Forecast

Overnight

Snow showers, mainly after 3am. Low around 24. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

Sunday

A chance of snow showers, mainly between noon and 3pm. Mostly cloudy, with a high near 33. Breezy, with a west wind 15 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Sunday Night

Mostly cloudy, with a low around 23. West wind 7 to 10 mph, with gusts as high as 24 mph.

Monday

Mostly sunny, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Night

Partly cloudy, with a low around 28. Southwest wind around 9 mph.

Tuesday

Mostly cloudy, with a high near 45.

Tuesday Night

A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

Wednesday

Rain likely, mainly after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.