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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Marysville OH

  • Today

    Today: Mostly cloudy, with a high near 73. Southeast wind 7 to 10 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 55. Southeast wind 8 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely then
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 5pm. Mostly cloudy, with a high near 67. East wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56. Northwest wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 79. Southwest wind 3 to 8 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers before 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 73. Southeast wind 7 to 10 mph, with gusts as high as 25 mph.
Tonight
Showers and possibly a thunderstorm. Low around 55. Southeast wind 8 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly before 5pm. Mostly cloudy, with a high near 67. East wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly cloudy, with a low around 56. Northwest wind around 6 mph.
Columbus Day
Mostly sunny, with a high near 79. Southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A chance of showers before 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville OH
 40.22°N 83.37°W (Elev. 997 ft)
Last Update:
4:00 am EDT Oct 10, 2026
Forecast Valid:
9am EDT Oct 10, 2026-6pm EDT Oct 16, 2026
 
Forecast Discussion
 
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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