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

54°F

12°C

Humidity 100%
Wind Speed W 1 mph
Barometer 29.87 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Jun 3:15 am EDT
Extended Forecast for

Marysville OH

  • Overnight

    Overnight: Clear, with a low around 55. Light northwest wind.

    Low: 55 °F

    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 75. West wind 6 to 14 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, mainly between 10am and 3pm. Mostly sunny, with a high near 77. West wind 6 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. West wind 5 to 8 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 78. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, then showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Low around 63. Chance of precipitation is 100%.

    Low: 63 °F

    Heavy Rain

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Heavy Rain

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 55. Light northwest wind.
Juneteenth
Sunny, with a high near 75. West wind 6 to 14 mph.
Friday Night
Mostly clear, with a low around 55. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
A chance of showers, mainly between 10am and 3pm. Mostly sunny, with a high near 77. West wind 6 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 57. West wind 5 to 8 mph becoming calm after midnight.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 78. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers, then showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Low around 63. Chance of precipitation is 100%.
Monday
Showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 75. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville OH
 40.25°N 83.4°W (Elev. 997 ft)
Last Update:
2:07 am EDT Jun 19, 2026
Forecast Valid:
3am EDT Jun 19, 2026-6pm EDT Jun 25, 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