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.

Overcast

39°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 39°F (4°C)
Visibility 5.00 mi
Last update 18 Nov 7:15 pm EST
Extended Forecast for

4 Miles SE Marysville OH

  • Tonight

    Tonight: Rain, mainly before 9pm. Widespread fog, mainly before 3am. Low around 36. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain and Fog
    then Patchy
    Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. Northeast wind 3 to 6 mph.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 53. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 53 °F

    Cloudy

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 56. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 1pm. Partly sunny, with a high near 51. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain, mainly before 9pm. Widespread fog, mainly before 3am. Low around 36. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Partly sunny, with a high near 49. Northeast wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 37. Calm wind.
Thursday
Cloudy, with a high near 53. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
A chance of rain. Cloudy, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain. Cloudy, with a high near 56. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
A chance of rain before 1pm. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Marysville OH
 40.2°N 83.32°W (Elev. 994 ft)
Last Update:
4:00 pm EST Nov 18, 2025
Forecast Valid:
7pm EST Nov 18, 2025-6pm EST Nov 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation