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

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

54°F

12°C

Humidity 87%
Wind Speed Calm
Barometer 29.68 in (1005.0 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 10 Oct 6:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind around 5 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 71. Southwest wind around 5 mph becoming north in the afternoon.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers before 3am, then a chance of showers after 4am. Cloudy, with a low around 44. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers and
    Breezy

  • Columbus Day

    Columbus Day: Showers likely, mainly between 7am and 1pm. Cloudy, with a high near 53. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers, mainly before 1am. Low around 38. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 52. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 52 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. Calm wind becoming northeast around 5 mph.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West wind around 5 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 71. Southwest wind around 5 mph becoming north in the afternoon.
Sunday Night
A slight chance of showers before 3am, then a chance of showers after 4am. Cloudy, with a low around 44. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Columbus Day
Showers likely, mainly between 7am and 1pm. Cloudy, with a high near 53. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers, mainly before 1am. Low around 38. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 52. Northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 38. Calm wind.
Wednesday
Mostly sunny, with a high near 55. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 38. Calm wind becoming northeast around 5 mph.
Thursday
A chance of showers. Partly sunny, with a high near 54. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 38. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
A chance of showers. Partly sunny, with a high near 52. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 33. Breezy, with a north wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Mostly sunny, with a high near 50. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
6:01 pm CDT Oct 10, 2026
Forecast Valid:
7pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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