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

34°F

1°C

Humidity 56%
Wind Speed NW 10 mph
Barometer 30.37 in (1029.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 23 Mar 7:53 pm EDT
Extended Forecast for

Marengo OH

  • Tonight

    Tonight: Partly cloudy, with a low around 25. North wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 48. East wind around 6 mph becoming southwest in the afternoon.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Calm wind becoming southeast 5 to 7 mph in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. South wind 6 to 13 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 52. Southwest wind around 10 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm, then rain and possibly a thunderstorm between 8pm and 2am, then rain likely after 2am. Low around 35. Breezy. Chance of precipitation is 90%.

    Low: 35 °F

    Showers and
    Breezy

  • Friday

    Friday: Rain likely, possibly mixed with snow, mainly before 8am. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.

    High: 41 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. North wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 48. East wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 35. Calm wind becoming southeast 5 to 7 mph in the evening.
Wednesday
Partly sunny, with a high near 61. South wind 6 to 13 mph.
Wednesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 52. Southwest wind around 10 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers before 8pm, then rain and possibly a thunderstorm between 8pm and 2am, then rain likely after 2am. Low around 35. Breezy. Chance of precipitation is 90%.
Friday
Rain likely, possibly mixed with snow, mainly before 8am. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo OH
 40.41°N 82.8°W (Elev. 1135 ft)
Last Update:
7:22 pm EDT Mar 23, 2026
Forecast Valid:
8pm EDT Mar 23, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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