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

56°F

13°C

Humidity 93%
Wind Speed Calm
Barometer 30.19 in (1022.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 Aug 12:53 am EDT
Extended Forecast for

Marion OH

  • Overnight

    Overnight: Clear, with a low around 56. Southeast wind 3 to 5 mph.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Southeast wind 3 to 6 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 88. Southwest wind 6 to 9 mph.

    High: 88 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 56. Southeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 82. Southeast wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 88. Southwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 69. South wind around 5 mph.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.58°N 83.13°W (Elev. 958 ft)
Last Update:
3:46 pm EDT Aug 28, 2026
Forecast Valid:
1am EDT Aug 29, 2026-6pm EDT Sep 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