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

65°F

18°C

Humidity 84%
Wind Speed Calm
Barometer 30.13 in (1020.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 26 May 8:53 am EDT
Extended Forecast for

3 Miles WNW Marengo OH

  • Today

    Today: Mostly cloudy, with a high near 78. Light and variable wind.

    High: 78 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 76. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Northwest wind 5 to 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. North wind 9 to 13 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 78. Light and variable wind.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 76. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 58. Northwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 74. North wind 9 to 13 mph.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marengo OH
 40.41°N 82.86°W (Elev. 997 ft)
Last Update:
9:25 am EDT May 26, 2026
Forecast Valid:
10am EDT May 26, 2026-6pm EDT Jun 1, 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