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.

53°F

12°C

Humidity 47%
Wind Speed E 10 mph
Barometer 30.20 in (1022.7 mb)
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill50°F (10°C)
Last update 14 Jun 7:56 am CDT
Extended Forecast for

25 Miles E Grand Portage MN

  • Today

    Today: Mostly sunny, with a high near 58. East wind 5 to 10 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. East wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Partly sunny, with a high near 60. East wind around 5 mph.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. East wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 66. West wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 58. East wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 44. East wind around 5 mph.
Sunday
A 20 percent chance of showers after noon. Partly sunny, with a high near 60. East wind around 5 mph.
Sunday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. East wind around 5 mph becoming calm in the evening.
Monday
A chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 66. West wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%.
Monday Night
A chance of thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 65.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 48.
Juneteenth
A chance of showers. Partly sunny, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48.
Friday
A chance of showers. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles E Grand Portage MN
 47.92°N 89.13°W (Elev. 761 ft)
Last Update:
6:56 am EDT Jun 14, 2025
Forecast Valid:
9am EDT Jun 14, 2025-6pm EDT Jun 20, 2025
 
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