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.

Partly Cloudy

81°F

27°C

Humidity 65%
Wind Speed N 6 mph
Barometer 30.07 in (1017.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 7 Jul 11:53 am EDT
Extended Forecast for

3 Miles WNW Marengo OH

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. North wind 8 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 65. North wind 3 to 8 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. North wind 8 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 65. North wind 3 to 8 mph.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 66. Chance of precipitation is 80%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marengo OH
 40.41°N 82.86°W (Elev. 997 ft)
Last Update:
11:46 am EDT Jul 7, 2026
Forecast Valid:
12pm EDT Jul 7, 2026-6pm EDT Jul 13, 2026
 
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