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.

Mostly Cloudy

68°F

20°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 30.06 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 20 May 3:55 am EDT
Extended Forecast for

3 Miles WSW Broadway OH

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 67. West wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 66. North wind 9 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 45. Northeast wind 8 to 11 mph.

    Low: 45 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 67. Northeast wind 11 to 15 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Northeast wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 69. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers
    Likely then
    Showers

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 8pm. Low around 61. Chance of precipitation is 100%.

    Low: 61 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 67. West wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 66. North wind 9 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 45. Northeast wind 8 to 11 mph.
Thursday
Sunny, with a high near 67. Northeast wind 11 to 15 mph.
Thursday Night
Partly cloudy, with a low around 50. Northeast wind 7 to 13 mph, with gusts as high as 23 mph.
Friday
Showers, with thunderstorms also possible after 5pm. High near 69. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers, with thunderstorms also possible after 8pm. Low around 61. Chance of precipitation is 100%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Broadway OH
 40.32°N 83.45°W (Elev. 1033 ft)
Last Update:
4:00 am EDT May 20, 2026
Forecast Valid:
4am EDT May 20, 2026-6pm EDT May 26, 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