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.

A Few Clouds

87°F

31°C

Humidity 37%
Wind Speed SE 3 mph
Barometer 30.13 in (1019.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 Sep 1:53 pm EDT
Extended Forecast for

Marseilles OH

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 88. Southeast wind around 9 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. East wind 6 to 9 mph becoming south after midnight.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 87. South wind 9 to 13 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 64. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 8 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. Southeast wind around 9 mph.
Tonight
Partly cloudy, with a low around 61. East wind 6 to 9 mph becoming south after midnight.
Sunday
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 87. South wind 9 to 13 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
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 64. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 8 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marseilles OH
 40.71°N 83.41°W (Elev. 899 ft)
Last Update:
1:53 pm EDT Sep 20, 2025
Forecast Valid:
2pm EDT Sep 20, 2025-6pm EDT Sep 26, 2025
 
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