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

Hazardous Weather Conditions

Current conditions at

Marysville Union County Airport (KMRT)

Lat: 40.22°NLon: 83.35°WElev: 1021ft.

Fair

N/A

Humidity NA
Wind Speed NA
Barometer 29.94 in
Dewpoint N/A
Visibility 10.00 mi
Last update 21 Mar 2:35 pm EDT
Extended Forecast for

Marysville OH

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. South wind 3 to 5 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 80. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 80 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 35. North wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 47. North wind around 10 mph, with gusts as high as 21 mph.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 68. South wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 55. South wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
Increasing clouds, with a high near 80. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 35. North wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 47. North wind around 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville OH
 40.25°N 83.37°W (Elev. 997 ft)
Last Update:
1:17 pm EDT Mar 21, 2026
Forecast Valid:
2pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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