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.

48°F

9°C

Humidity 86%
Wind Speed Calm
Barometer 30.08 in (1019.1 mb)
Dewpoint 44°F (7°C)
Visibility NA
Last update 26 Jun 9:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Calm wind becoming northeast around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57. East wind 5 to 10 mph.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 56. Breezy, with an east wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 56 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 42. Breezy, with an east wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers and
    Breezy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 66. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 51. Breezy, with an east wind 10 to 15 mph becoming light northeast after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the morning.

    High: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West wind around 5 mph.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Calm wind becoming northeast around 5 mph.
Saturday
Partly sunny, with a high near 57. East wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 56. Breezy, with an east wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 42. Breezy, with an east wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 66. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 51. Breezy, with an east wind 10 to 15 mph becoming light northeast after midnight. Winds could gust as high as 25 mph.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 71. Calm wind becoming southwest around 5 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50. West wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 68. Northeast wind around 5 mph becoming southeast in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
9:26 pm CDT Jun 26, 2026
Forecast Valid:
10pm CDT Jun 26, 2026-6pm CDT Jul 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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