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.

Partly Cloudy

87°F

31°C

Humidity 55%
Wind Speed W 6 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 13 Jul 4:53 pm EDT
Extended Forecast for

Upper Sandusky OH

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 71. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Light and variable wind.

    Low: 69 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 89 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 71. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 69. Light and variable wind.
Tuesday
A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Sandusky OH
 40.84°N 83.28°W (Elev. 801 ft)
Last Update:
3:31 pm EDT Jul 13, 2025
Forecast Valid:
5pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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