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

50°F

10°C

Humidity 68%
Wind Speed S 13 mph
Barometer 29.88 in (1012.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 20 Mar 8:53 am EDT
Extended Forecast for

Sparta OH

  • Today

    Today: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. Southwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Northwest wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 61. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 61 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. South wind 7 to 10 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Southwest wind 11 to 16 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Partly sunny, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 66. Southwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 39. Northwest wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 61. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 48. South wind 7 to 10 mph.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Southwest wind 11 to 16 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 8am. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A chance of rain. Mostly sunny, with a high near 65. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta OH
 40.4°N 82.69°W (Elev. 1309 ft)
Last Update:
8:17 am EDT Mar 20, 2026
Forecast Valid:
9am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation