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.

Overcast

74°F

23°C

Humidity 67%
Wind Speed S 7 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 26 Aug 7:53 pm EDT
Extended Forecast for

Marengo OH

  • Tonight

    Tonight: A chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 63. Southwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 80. West wind 3 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 79. North wind 5 to 9 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. East wind around 7 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 63. Southwest wind around 6 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 80. West wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 79. North wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 56. East wind around 7 mph.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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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 pm EDT Aug 26, 2026
Forecast Valid:
8pm EDT Aug 26, 2026-6pm EDT Sep 2, 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