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

64°F

18°C

Humidity 84%
Wind Speed Calm
Barometer 30.10 in (1019.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Jul 9:53 pm EDT
Extended Forecast for

Marion OH

  • Tonight

    Tonight: Mostly clear, with a low around 59. Light north wind.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Light and variable wind.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. West wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers after 8pm. Low around 71. Chance of precipitation is 80%.

    Low: 71 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Light north wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. Light and variable wind.
Sunday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. West wind 3 to 7 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, then showers after 8pm. Low around 71. Chance of precipitation is 80%.
Tuesday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 65.
Friday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.58°N 83.13°W (Elev. 958 ft)
Last Update:
9:32 pm EDT Jul 24, 2026
Forecast Valid:
10pm EDT Jul 24, 2026-6pm EDT Jul 31, 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