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

63°F

17°C

Humidity 50%
Wind Speed S 13 mph
Barometer 29.92 in (1012.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 12 May 11:53 pm EDT
Extended Forecast for

4 Miles NNW Richwood OH

  • Overnight

    Overnight: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 57. Southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 10am. Partly sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers then
    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 43. Northwest wind 10 to 18 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 62. North wind around 14 mph.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. North wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 57. Southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers between 8am and 10am. Partly sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 43. Northwest wind 10 to 18 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 62. North wind around 14 mph.
Thursday Night
Mostly clear, with a low around 43. North wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 70.
Friday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Breezy. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Tuesday
Showers likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Richwood OH
 40.49°N 83.32°W (Elev. 925 ft)
Last Update:
6:41 pm EDT May 12, 2026
Forecast Valid:
12am EDT May 13, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation