National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion, Marion Municipal Airport (KMNN)

Lat: 40.62°NLon: 83.07°WElev: 994ft.

Mostly Cloudy

70°F

21°C

Humidity 84%
Wind Speed S 6 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 10 Aug 1:53 am EDT
Extended Forecast for

Marion OH

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 70. South wind around 8 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. High near 86. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 11pm, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before 11am, then showers and possibly a thunderstorm after 2pm. High near 83. North wind 5 to 9 mph becoming southwest in the morning. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 83 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. South wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 84. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 70. South wind around 8 mph. Chance of precipitation is 20%.
Monday
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. High near 86. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely, mainly before 11pm, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and thunderstorms, mainly before 11am, then showers and possibly a thunderstorm after 2pm. High near 83. North wind 5 to 9 mph becoming southwest in the morning. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. South wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 84. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 58.
Saturday
A chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.61°N 83.13°W (Elev. 928 ft)
Last Update:
1:16 am EDT Aug 10, 2026
Forecast Valid:
2am EDT Aug 10, 2026-6pm EDT Aug 16, 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