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

82°F

28°C

Humidity 46%
Wind Speed NW 6 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Aug 3:53 pm EDT
Extended Forecast for

3 Miles SW Green Camp OH

  • Tonight

    Tonight: Partly cloudy, with a low around 61. West wind around 5 mph becoming calm.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. West wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 61. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 78 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Northeast wind around 6 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. West wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. West wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 61. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. Northeast wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 58.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Green Camp OH
 40.5°N 83.26°W (Elev. 899 ft)
Last Update:
3:46 pm EDT Aug 18, 2026
Forecast Valid:
4pm EDT Aug 18, 2026-6pm EDT Aug 25, 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