National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion, Marion Municipal Airport (KMNN)

Lat: 40.62°NLon: 83.07°WElev: 994ft.

Fog

64°F

18°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 64°F (18°C)
Visibility 0.25 mi
Last update 12 Aug 3:53 am EDT
Extended Forecast for

Upper Sandusky OH

  • Overnight

    Overnight: A slight chance of showers and thunderstorms after 5am. Areas of fog. Otherwise, mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms and
    Areas Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 82. South wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 67. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. Calm wind becoming west around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers before 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers before 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms after 5am. Areas of fog. Otherwise, mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 82. South wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 67. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 82. Calm wind becoming west around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers before 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 62.
Saturday
A chance of showers before 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night
A chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Sandusky OH
 40.84°N 83.28°W (Elev. 801 ft)
Last Update:
4:02 am EDT Aug 12, 2026
Forecast Valid:
4am EDT Aug 12, 2026-6pm EDT Aug 18, 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