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.

Overcast

24°F

-4°C

Humidity 77%
Wind Speed NW 3 mph
Barometer 30.02 in (1018.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 3 Jan 10:53 pm EST
Extended Forecast for

Harpster OH

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. West wind 3 to 5 mph.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. Calm wind becoming south 5 to 9 mph in the evening.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38. Southwest wind 8 to 11 mph.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. South wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. West wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 28. Northwest wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21. Calm wind becoming south 5 to 9 mph in the evening.
Monday
Partly sunny, with a high near 38. Southwest wind 8 to 11 mph.
Monday Night
Mostly cloudy, with a low around 30. South wind around 6 mph.
Tuesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Saturday
A chance of rain. Partly sunny, with a high near 45. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harpster OH
 40.75°N 83.26°W (Elev. 899 ft)
Last Update:
3:01 pm EST Jan 3, 2026
Forecast Valid:
11pm EST Jan 3, 2026-6pm EST Jan 10, 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