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

Marion, Marion Municipal Airport (KMNN)

Lat: 40.62°NLon: 83.07°WElev: 994ft.

Mostly Cloudy

57°F

14°C

Humidity 90%
Wind Speed S 15 mph
Barometer 29.80 in (1008.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 May 4:53 am EDT
Extended Forecast for

Marengo OH

  • Overnight

    Overnight: A chance of showers and thunderstorms. Cloudy, with a low around 56. Southwest wind around 17 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Partly sunny, with a high near 62. Breezy, with a southwest wind 16 to 21 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. Northwest wind around 14 mph.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. North wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Cloudy, with a low around 56. Southwest wind around 17 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Partly sunny, with a high near 62. Breezy, with a southwest wind 16 to 21 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 43. Northwest wind 11 to 17 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 61. Northwest wind around 14 mph.
Thursday Night
Partly cloudy, with a low around 41. North wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 68.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo OH
 40.41°N 82.8°W (Elev. 1135 ft)
Last Update:
4:02 am EDT May 13, 2026
Forecast Valid:
5am EDT May 13, 2026-6pm EDT May 19, 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