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 69%
Wind Speed E 7 mph
Barometer 30.29 in (1026.0 mb)
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill52°F (11°C)
Last update 20 Sep 2:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Northeast wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 53. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Northeast wind 5 to 10 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. East wind 5 to 10 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. East wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. Southeast wind 5 to 10 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. East wind 5 to 10 mph becoming south after midnight.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers after 1pm. Partly sunny, with a high near 57. South wind around 5 mph.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Northeast wind 5 to 10 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 53. East wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 43. Northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 53. East wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 44. East wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 53. Southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 46. East wind 5 to 10 mph becoming south after midnight.
Thursday
A slight chance of showers after 1pm. Partly sunny, with a high near 57. South wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm.
Friday
Partly sunny, with a high near 60. Calm wind becoming south around 5 mph.
Friday Night
Mostly cloudy, with a low around 50. Calm wind.
Saturday
Mostly cloudy, with a high near 60. East wind around 5 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 51. East wind 5 to 10 mph becoming south after midnight.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Southwest wind 5 to 10 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:
2:56 pm CDT Sep 20, 2026
Forecast Valid:
3pm CDT Sep 20, 2026-6pm CDT Sep 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation