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.

Mostly Cloudy

77°F

25°C

Humidity 56%
Wind Speed N 15 mph
Barometer 30.20 in (1022.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Sep 3:53 pm EDT
Extended Forecast for

Marseilles OH

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph becoming light east after midnight.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 80. Southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 66. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 78. West wind 6 to 11 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 58. Northeast wind 10 to 14 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph becoming light east after midnight.
Saturday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 80. Southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 66. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 78. West wind 6 to 11 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 58. Northeast wind 10 to 14 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marseilles OH
 40.69°N 83.41°W (Elev. 899 ft)
Last Update:
4:01 pm EDT Sep 18, 2026
Forecast Valid:
4pm EDT Sep 18, 2026-6pm EDT Sep 25, 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