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

70°F

21°C

Humidity 44%
Wind Speed E 8 mph
Barometer 30.29 in (1025.6 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 24 Sep 4:53 pm EDT
Extended Forecast for

Harpster OH

  • Tonight

    Tonight: Clear, with a low around 42. East wind 3 to 8 mph.

    Low: 42 °F

    Clear

  • Friday

    Friday: Increasing clouds, with a high near 65. Light northeast wind increasing to 5 to 10 mph in the afternoon.

    High: 65 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. Northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Light north wind increasing to 5 to 10 mph in the morning.

    High: 69 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48. North wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 42. East wind 3 to 8 mph.
Friday
Increasing clouds, with a high near 65. Light northeast wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 48. Northeast wind 5 to 7 mph becoming calm after midnight.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Light north wind increasing to 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 48. North wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.
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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:
3:46 pm EDT Sep 24, 2026
Forecast Valid:
5pm EDT Sep 24, 2026-6pm EDT Oct 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation