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.

40°F

4°C

Humidity 51%
Wind Speed SW 5 mph
Barometer 30.28 in (1026.2 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 14 Nov 11:56 am CST
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. Southwest wind around 5 mph becoming calm.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 45. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 49. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 48 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. Breezy, with a southwest wind 5 to 15 mph.

    High: 48 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 42. Southwest wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 32. Calm wind.
Sunday
Sunny, with a high near 45. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 38. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 49. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 42. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 48. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 42. Southwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly cloudy, with a high near 48. Breezy, with a southwest wind 5 to 15 mph.
Wednesday Night
A chance of rain after midnight. Cloudy, with a low around 42. South wind around 5 mph.
Thursday
A chance of rain. Mostly cloudy, with a high near 49. West wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 37. Northwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.
Friday
A slight chance of rain. Mostly cloudy, with a high near 45. North wind 5 to 10 mph becoming southeast in the afternoon.
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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:
12:21 pm CST Nov 14, 2026
Forecast Valid:
12pm CST Nov 14, 2026-6pm CST Nov 20, 2026
 
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Additional Resources

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Chance of Precipitation