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

56°F

13°C

Humidity 81%
Wind Speed Calm
Barometer 29.99 in (1015.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 2 Sep 10:53 pm EDT
Extended Forecast for

Marion OH

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light southeast wind.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Southwest wind 6 to 11 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 58. South wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Slight Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers, mainly before 2pm. High near 69. West wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. South wind 3 to 5 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Partly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 70. Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Light southeast wind.
Wednesday
Sunny, with a high near 82. Southwest wind 6 to 11 mph.
Wednesday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 58. South wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, mainly before 2pm. High near 69. West wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly clear, with a low around 50. South wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 78.
Friday Night
A chance of showers after 2am. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.58°N 83.13°W (Elev. 958 ft)
Last Update:
6:50 pm EDT Sep 2, 2025
Forecast Valid:
11pm EDT Sep 2, 2025-6pm EDT Sep 9, 2025
 
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