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

50°F

10°C

Humidity 68%
Wind Speed S 13 mph
Barometer 29.88 in (1012.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 20 Mar 8:53 am EDT
Extended Forecast for

Marion OH

  • Today

    Today: A slight chance of showers between 11am and 2pm. Mostly cloudy, with a high near 69. Breezy, with a southwest wind 15 to 20 mph. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. North wind 6 to 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 62. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 62 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. South wind 6 to 9 mph.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Southwest wind 10 to 16 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

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers between 11am and 2pm. Mostly cloudy, with a high near 69. Breezy, with a southwest wind 15 to 20 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 40. North wind 6 to 10 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 62. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 50. South wind 6 to 9 mph.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Southwest wind 10 to 16 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A chance of rain. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.59°N 83.16°W (Elev. 906 ft)
Last Update:
8:17 am EDT Mar 20, 2026
Forecast Valid:
9am EDT Mar 20, 2026-6pm EDT Mar 26, 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