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

39°F

4°C

Humidity 96%
Wind Speed E 5 mph
Barometer 30.03 in (1017.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 15 May 3:53 am EDT
Extended Forecast for

Marseilles OH

  • Today

    Today: Increasing clouds, with a high near 69. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 69 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South wind 7 to 10 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm after 2pm. High near 78. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 62. Southwest wind 5 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 87. Breezy. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

Detailed Forecast

Today
Increasing clouds, with a high near 69. Light south wind becoming southwest 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 54. South wind 7 to 10 mph.
Saturday
Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm after 2pm. High near 78. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 62. Southwest wind 5 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, mainly before 8am. Mostly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 87. Breezy. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
Showers likely. Partly sunny, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marseilles OH
 40.71°N 83.41°W (Elev. 899 ft)
Last Update:
4:02 am EDT May 15, 2026
Forecast Valid:
4am EDT May 15, 2026-6pm EDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation