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

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

41°F

5°C

Humidity 76%
Wind Speed NW 3 mph
Barometer 30.19 in (1022.8 mb)
Dewpoint 34°F (1°C)
Visibility NA
Last update 19 Oct 12:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: Mostly clear, with a low around 44. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. Calm wind becoming east around 5 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. Northeast wind around 5 mph.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. Southeast wind around 5 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Calm wind becoming southwest around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Southwest wind around 5 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Calm wind becoming north around 5 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. East wind around 5 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. East wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 44. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 55. Calm wind becoming east around 5 mph.
Monday Night
Clear, with a low around 43. Northeast wind around 5 mph.
Tuesday
Sunny, with a high near 53. Southeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 46. Calm wind becoming southwest around 5 mph.
Wednesday
Mostly sunny, with a high near 58. Southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 45. Calm wind becoming north around 5 mph.
Thursday
Sunny, with a high near 55. East wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 46. East wind around 5 mph.
Friday
Partly sunny, with a high near 56. Southeast wind 5 to 10 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 50. Breezy, with a south wind around 15 mph, with gusts as high as 20 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 57. Breezy, with a south wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47. Breezy, with a west wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 52. Breezy, with a west wind 10 to 15 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
1:21 am CDT Oct 19, 2026
Forecast Valid:
1am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation