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

77°F

25°C

Humidity 37%
Wind Speed W 16 G 23 mph
Barometer 29.92 in (1012.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Jun 3:53 pm EDT
Extended Forecast for

Upper Sandusky OH

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind 5 to 15 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 78. West wind 8 to 16 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light after midnight.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Increasing clouds, with a high near 78. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 11pm. Low around 62. East wind 7 to 16 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 62 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. West wind 5 to 15 mph.
Saturday
A slight chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 78. West wind 8 to 16 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light after midnight.
Sunday
A chance of showers after 2pm. Increasing clouds, with a high near 78. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers, with thunderstorms also possible after 11pm. Low around 62. East wind 7 to 16 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 77. 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:
3:47 pm EDT Jun 19, 2026
Forecast Valid:
4pm EDT Jun 19, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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