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

78°F

26°C

Humidity 58%
Wind Speed S 14 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Oct 3:53 pm EDT
Extended Forecast for

Sycamore OH

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 86. Southwest wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 86 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 66. Southwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms. High near 76. Light and variable wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm. Mostly cloudy, with a low around 53. Northeast wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 2pm. Mostly cloudy, with a high near 65. Breezy. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. South wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 86. Southwest wind 15 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 66. Southwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms. High near 76. Light and variable wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely before 8pm. Mostly cloudy, with a low around 53. Northeast wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Friday
A chance of showers before 2pm. Mostly cloudy, with a high near 65. Breezy. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 37. Breezy.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore OH
 40.96°N 83.17°W (Elev. 801 ft)
Last Update:
3:46 pm EDT Oct 12, 2026
Forecast Valid:
4pm EDT Oct 12, 2026-6pm EDT Oct 19, 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