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.

Overcast

65°F

18°C

Humidity 90%
Wind Speed NE 9 mph
Barometer 30.22 in (1023.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 Sep 6:53 am EDT
Extended Forecast for

4 Miles WSW Green Camp OH

  • Today

    Today: Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. Northeast wind 8 to 10 mph.

    High: 76 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Northeast wind 5 to 9 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly before 4pm. Partly sunny, with a high near 78. Southeast wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 64. Southeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. West wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 76. Northeast wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 55. Northeast wind 5 to 9 mph.
Saturday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 78. Southeast wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 64. Southeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. West wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Monday Night
Showers likely, mainly after 2am. Cloudy, with a low around 55. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Mostly cloudy, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Green Camp OH
 40.53°N 83.28°W (Elev. 899 ft)
Last Update:
3:46 am EDT Sep 18, 2026
Forecast Valid:
7am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation