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

46°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 4 Sep 11:43 pm EDT
Extended Forecast for

Marysville OH

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80. West wind 9 to 17 mph, with gusts as high as 29 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers. Increasing clouds, with a low around 52. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. West wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 80. West wind 9 to 17 mph, with gusts as high as 29 mph.
Friday Night
A chance of showers. Increasing clouds, with a low around 52. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of showers before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 45. West wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marysville OH
 40.25°N 83.37°W (Elev. 997 ft)
Last Update:
9:31 pm EDT Sep 4, 2025
Forecast Valid:
11pm EDT Sep 4, 2025-6pm EDT Sep 11, 2025
 
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