Current conditions at

Marion, Marion Municipal Airport (KMNN)

Lat: 40.62°NLon: 83.07°WElev: 994ft.

Mostly Cloudy

77°F

25°C

Humidity 85%
Wind Speed SE 9 mph
Barometer 30.14 in (1020.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Aug 2:53 pm EDT
Extended Forecast for

Marion OH

Flood Watch until August 16, 08:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 16, 08:00am

    NOW until 8:00am Sun

    Flood Watch

  • This Afternoon

    High: 83 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall.  Low around 70. Southeast wind around 7 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 70 °F

    Heavy Rain

  • Sunday

    Sunday: Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm.  High near 84. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a chance of showers after 5am.  Increasing clouds, with a low around 69. West wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly before 7am.  Partly sunny, with a high near 79. North wind 7 to 9 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly before 5pm. Mostly cloudy, with a high near 83. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before midnight, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 70. Southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. High near 84. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 2am, then a chance of showers after 5am. Increasing clouds, with a low around 69. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, mainly before 7am. Partly sunny, with a high near 79. North wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.58°N 83.13°W (Elev. 958 ft)
2:31 pm EDT Aug 15, 2026
3pm EDT Aug 15, 2026-6pm EDT Aug 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

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