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

30°F

-1°C

Humidity 66%
Wind Speed N 10 mph
Barometer 30.58 in (1037.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 28 Mar 8:53 am EDT
Extended Forecast for

Sparta OH

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 42. Northwest wind 7 to 10 mph.

    High: 42 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 31. South wind 5 to 9 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 57. Southwest wind 10 to 15 mph.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49. Southwest wind 10 to 13 mph.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 66. Southwest wind 13 to 15 mph.

    High: 66 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 75. Breezy.

    High: 75 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 48. Breezy. Chance of precipitation is 70%.

    Low: 48 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm, then rain after 8am. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Rain

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 42. Northwest wind 7 to 10 mph.
Tonight
Increasing clouds, with a low around 31. South wind 5 to 9 mph.
Sunday
Partly sunny, with a high near 57. Southwest wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 49. Southwest wind 10 to 13 mph.
Monday
Mostly cloudy, with a high near 66. Southwest wind 13 to 15 mph.
Monday Night
A chance of rain, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 75. Breezy.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 48. Breezy. Chance of precipitation is 70%.
Wednesday
Rain likely and possibly a thunderstorm, then rain after 8am. High near 58. Chance of precipitation is 80%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta OH
 40.38°N 82.72°W (Elev. 1368 ft)
Last Update:
7:19 am EDT Mar 28, 2026
Forecast Valid:
9am EDT Mar 28, 2026-6pm EDT Apr 3, 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