National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fair

52°F

11°C

Humidity 100%
Wind Speed S 2 mph
Barometer 30.03 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 Nov 6:35 pm EST
Extended Forecast for

2 Miles SSE Irwin OH

  • Tonight

    Tonight: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly cloudy, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 3am. Mostly cloudy, with a low around 43. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. North wind 11 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A slight chance of rain before 1am. Mostly cloudy, with a low around 31. North wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 39. Calm wind.
Veterans Day
Mostly cloudy, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A chance of showers, mainly before 3am. Mostly cloudy, with a low around 43. Light and variable wind becoming north 5 to 10 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. North wind 11 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 31. North wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Irwin OH
 40.1°N 83.45°W (Elev. 997 ft)
Last Update:
4:00 pm EST Nov 10, 2026
Forecast Valid:
6pm EST Nov 10, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation