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.

47°F

8°C

Humidity 59%
Wind Speed N 13 G 28 mph
Barometer 30.25 in (1024.6 mb)
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 25 Oct 2:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. West wind around 5 mph.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 52. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. West wind around 5 mph becoming north after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43. North wind around 5 mph becoming east in the afternoon.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 35. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Showers. High near 47. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Cloudy, with a low around 43. Breezy, with an east wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 43 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A chance of showers before 1pm. Partly sunny, with a high near 53. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. West wind around 5 mph.
Sunday
Partly sunny, with a high near 52. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 35. West wind around 5 mph becoming north after midnight.
Monday
Partly sunny, with a high near 43. North wind around 5 mph becoming east in the afternoon.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 35. East wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Showers. High near 47. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 43. Breezy, with an east wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph.
Wednesday
A chance of showers before 1pm. Partly sunny, with a high near 53. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 42. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 50. West wind 5 to 10 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 40. West wind around 5 mph becoming calm.
Friday
A chance of showers. Partly sunny, with a high near 51. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Friday Night
A chance of showers. Mostly cloudy, with a low around 41. East wind 5 to 10 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 51. East wind around 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
 47.74°N 90.33°W
Last Update:
1:21 am CDT Oct 25, 2026
Forecast Valid:
3am CDT Oct 25, 2026-6pm CDT Oct 31, 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