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.

55°F

13°C

Humidity 83%
Wind Speed W 12 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 50°F (10°C)
Visibility NA
Wind Chill52°F (11°C)
Last update 10 Aug 1:56 pm CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 71. Southwest wind around 5 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 9am and noon. Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. North wind around 5 mph becoming calm.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Calm wind becoming southeast around 5 mph.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 71. Southwest wind around 5 mph.
Tonight
Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm.
Tuesday
A slight chance of showers between 9am and noon. Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 53. Calm wind.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 73. Calm wind becoming southwest around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 51. Calm wind.
Thursday
Mostly sunny, with a high near 70. North wind around 5 mph becoming calm.
Thursday Night
Partly cloudy, with a low around 51. Calm wind.
Friday
Mostly sunny, with a high near 70. Calm wind becoming southeast around 5 mph.
Friday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 52. Calm wind.
Saturday
A chance of showers. Mostly cloudy, with a high near 67. East wind around 5 mph, with gusts as high as 15 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 71. Calm wind becoming northwest around 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
2:06 pm CDT Aug 10, 2026
Forecast Valid:
2pm CDT Aug 10, 2026-6pm CDT Aug 16, 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