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.

Overcast

67°F

19°C

Humidity 91%
Wind Speed S 5 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 2:53 am EDT
Extended Forecast for

5 Miles S Caledonia OH

  • Overnight

    Overnight: Partly cloudy, with a low around 61. Southwest wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 78. West wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. East wind 5 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. Southwest wind around 5 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 78. West wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 57. East wind 5 to 7 mph.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 58.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Caledonia OH
 40.55°N 82.99°W (Elev. 951 ft)
Last Update:
2:31 am EDT Aug 19, 2026
Forecast Valid:
3am EDT Aug 19, 2026-6pm EDT Aug 25, 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