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

68°F

20°C

Humidity 84%
Wind Speed Calm
Barometer 30.10 in (1018.7 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 14 Jul 11:53 pm EDT
Extended Forecast for

Marion Municipal Airport OH

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 88. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 72. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 67. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 88. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 72. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 69. Chance of precipitation is 80%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly 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 69. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion Municipal Airport OH
 40.62°N 83.07°W (Elev. 942 ft)
Last Update:
7:25 pm EDT Jul 14, 2025
Forecast Valid:
12am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation