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

61°F

16°C

Humidity 72%
Wind Speed NW 8 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Aug 10:53 pm EDT
Extended Forecast for

Harpster OH

  • Tonight

    Tonight: Clear, with a low around 52. West wind 7 to 9 mph.

    Low: 52 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75. West wind 7 to 13 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. West wind around 7 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light west wind.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 52. West wind 7 to 9 mph.
Monday
Sunny, with a high near 75. West wind 7 to 13 mph.
Monday Night
Mostly clear, with a low around 52. West wind around 7 mph.
Tuesday
Sunny, with a high near 78. Light west wind.
Tuesday Night
Partly cloudy, with a low around 57. Calm wind.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harpster OH
 40.75°N 83.26°W (Elev. 899 ft)
Last Update:
3:46 pm EDT Aug 23, 2026
Forecast Valid:
11pm EDT Aug 23, 2026-6pm EDT Aug 30, 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