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.

Fair

63°F

17°C

Humidity 29%
Wind Speed S 8 mph
Barometer 30.49 in (1033.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Oct 3:53 pm EDT
Extended Forecast for

Upper Sandusky OH

Frost Advisory October 19, 01:00am until October 19, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, clear, with a low around 36. South wind 3 to 7 mph.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 67. Calm wind.

    High: 67 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 39. Calm wind.

    Low: 39 °F

    Clear

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 68. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 68 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Northeast wind 5 to 8 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, clear, with a low around 36. South wind 3 to 7 mph.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 67. Calm wind.
Monday Night
Clear, with a low around 39. Calm wind.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 68. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 41. Northeast wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Sandusky OH
 40.81°N 83.28°W (Elev. 801 ft)
Last Update:
3:47 pm EDT Oct 18, 2026
Forecast Valid:
4pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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