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.

Mostly Cloudy

71°F

22°C

Humidity 90%
Wind Speed S 8 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 31 Aug 1:53 am EDT
Extended Forecast for

Marion OH

  • Overnight

    Overnight: Mostly cloudy, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 8am and 10am. Partly sunny, with a high near 88. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. Southwest wind around 7 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Heat index values as high as 99. West wind 7 to 10 mph.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Southwest wind around 6 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

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

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 69. South wind around 5 mph.
Monday
A slight chance of showers between 8am and 10am. Partly sunny, with a high near 88. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 72. Southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 92. Heat index values as high as 99. West wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 73. Southwest wind around 6 mph.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
A chance of showers before 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marion OH
 40.58°N 83.13°W (Elev. 958 ft)
Last Update:
1:16 am EDT Aug 31, 2026
Forecast Valid:
1am EDT Aug 31, 2026-6pm EDT Sep 6, 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