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.

Partly Cloudy

43°F

6°C

Humidity 76%
Wind Speed N 12 mph
Barometer 30.43 in (1031.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 17 Oct 9:53 am EDT
Extended Forecast for

3 Miles SW Harpster OH

Freeze Warning October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Sunny, with a high near 54. North wind 8 to 14 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 31. Calm wind.

    Low: 31 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 61. South wind 5 to 9 mph.

    High: 61 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 4am. Otherwise, clear, with a low around 33. South wind 3 to 5 mph.

    Low: 33 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 70.

    High: 70 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 54. North wind 8 to 14 mph.
Tonight
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 31. Calm wind.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 61. South wind 5 to 9 mph.
Sunday Night
Patchy frost after 4am. Otherwise, clear, with a low around 33. South wind 3 to 5 mph.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 67. Light and variable wind.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Harpster OH
 40.7°N 83.29°W (Elev. 899 ft)
Last Update:
8:01 am EDT Oct 17, 2026
Forecast Valid:
10am EDT Oct 17, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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