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

35°F

2°C

Humidity 64%
Wind Speed S 10 mph
Barometer 30.37 in (1029.5 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 29 Mar 4:53 am EDT
Extended Forecast for

Marion OH

  • Today

    Today: Partly sunny, with a high near 61. Southwest wind 8 to 14 mph.

    High: 61 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers before 11pm. Mostly cloudy, with a low around 51. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 71. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 71 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of rain and thunderstorms before 11pm, then a slight chance of rain between 11pm and 2am. Mostly cloudy, with a low around 62. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Breezy.
    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms before 2am, then rain likely between 2am and 5am, then rain likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    T-storms then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    T-storms then
    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, with a high near 61. Southwest wind 8 to 14 mph.
Tonight
A slight chance of showers before 11pm. Mostly cloudy, with a low around 51. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 71. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Monday Night
A slight chance of rain and thunderstorms before 11pm, then a slight chance of rain between 11pm and 2am. Mostly cloudy, with a low around 62. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday
A chance of rain and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms before 2am, then rain likely between 2am and 5am, then rain likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Wednesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Thursday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Saturday
Rain likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.59°N 83.16°W (Elev. 906 ft)
Last Update:
3:46 am EDT Mar 29, 2026
Forecast Valid:
5am EDT Mar 29, 2026-6pm EDT Apr 4, 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