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 67%
Wind Speed Calm
Barometer 30.32 in (1027.3 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Last update 19 Oct 6:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

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

    High: 55 °F

    Sunny

  • Tonight

    Tonight: 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

  • Friday

    Friday: Partly sunny, with a high near 56. Southeast wind 5 to 10 mph.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 55. Calm wind becoming east around 5 mph.
Tonight
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:
4:51 am CDT Oct 19, 2026
Forecast Valid:
7am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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