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.

Overcast

44°F

7°C

Humidity 49%
Wind Speed NW 8 mph
Barometer 30.03 in (1018.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 2 May 6:53 pm EDT
Extended Forecast for

Marion OH

Frost Advisory May 2, 11:00pm until May 3, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 1am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 34. West wind 5 to 8 mph.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, increasing clouds, with a high near 61. Southwest wind 7 to 15 mph.

    High: 61 °F

    Patchy Frost
    then
    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 48. South wind around 13 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 74. Southwest wind 11 to 17 mph. Chance of precipitation is 20%.

    High: 74 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Tonight
Patchy frost after 1am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 34. West wind 5 to 8 mph.
Sunday
Patchy frost before 7am. Otherwise, increasing clouds, with a high near 61. Southwest wind 7 to 15 mph.
Sunday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 48. South wind around 13 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 74. Southwest wind 11 to 17 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 48. Chance of precipitation is 90%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 40.
Friday
A chance of showers. Mostly sunny, with a high near 61. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 67. 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:
5:46 pm EDT May 2, 2026
Forecast Valid:
7pm EDT May 2, 2026-6pm EDT May 9, 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