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

53°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in (1019.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 24 Jun 4:53 am EDT
Extended Forecast for

3 Miles N Harpster OH

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 61. South wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 81. West wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers after 2am. Mostly cloudy, with a low around 61. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 76. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
A chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 61. South wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 81. West wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers after 2am. Mostly cloudy, with a low around 61. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 76. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers before 8am. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Harpster OH
 40.79°N 83.25°W (Elev. 823 ft)
Last Update:
3:47 am EDT Jun 24, 2026
Forecast Valid:
5am EDT Jun 24, 2026-6pm EDT Jun 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