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.

Fog/Mist

72°F

22°C

Humidity 97%
Wind Speed S 6 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 71°F (22°C)
Visibility 6.00 mi
Last update 26 Jul 4:53 am EDT
Extended Forecast for

Marion OH

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 90. Heat index values as high as 97. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 88. Heat index values as high as 95. West wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 90. Heat index values as high as 97. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 88. Heat index values as high as 95. West wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.58°N 83.13°W (Elev. 958 ft)
Last Update:
3:35 am EDT Jul 26, 2025
Forecast Valid:
4am EDT Jul 26, 2025-6pm EDT Aug 1, 2025
 
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