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

79°F

26°C

Humidity 52%
Wind Speed NE 7 mph
Barometer 30.14 in (1020.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Aug 4:53 pm EDT
Extended Forecast for

Sycamore OH

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83. South wind 5 to 7 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88. South wind 7 to 11 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. South wind around 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Northeast wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 83. South wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 64. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 88. South wind 7 to 11 mph.
Sunday Night
Partly cloudy, with a low around 70. South wind around 6 mph.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 87.
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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 Aug 28, 2026
Forecast Valid:
5pm EDT Aug 28, 2026-6pm EDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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