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.

Fair

58°F

14°C

Humidity 81%
Wind Speed Calm
Barometer 30.00 in (1015.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 2 Sep 9:53 pm EDT
Extended Forecast for

3 Miles SSW Marengo OH

  • Tonight

    Tonight: Mostly clear, with a low around 54. Southeast wind 3 to 5 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Southwest wind 5 to 11 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, mainly after 5am. Increasing clouds, with a low around 59. South wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Partly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Cloudy, then gradually becoming mostly sunny, with a high near 68. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. South wind around 6 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78. Breezy.

    High: 78 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Southeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 82. Southwest wind 5 to 11 mph.
Wednesday Night
Showers likely and possibly a thunderstorm, mainly after 5am. Increasing clouds, with a low around 59. South wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, then gradually becoming mostly sunny, with a high near 68. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly clear, with a low around 50. South wind around 6 mph.
Friday
Mostly sunny, with a high near 78. Breezy.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Marengo OH
 40.37°N 82.84°W (Elev. 1073 ft)
Last Update:
6:50 pm EDT Sep 2, 2025
Forecast Valid:
10pm EDT Sep 2, 2025-6pm EDT Sep 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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