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 43%
Wind Speed W 3 mph
Barometer 30.43 in (1030.8 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Last update 19 Oct 11:56 am CDT
Extended Forecast for

4 Miles SW Grand Portage MN

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. East wind around 5 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind becoming northeast around 5 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. Southeast wind 5 to 10 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Light and variable wind becoming southwest 5 to 10 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Southwest wind 5 to 10 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Calm wind becoming north around 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54. East wind around 5 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. East wind 5 to 10 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

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

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 55. East wind around 5 mph.
Tonight
Mostly clear, with a low around 42. Calm wind becoming northeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 53. Southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 46. Light and variable wind becoming southwest 5 to 10 mph after midnight.
Wednesday
Mostly sunny, with a high near 58. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 45. Calm wind becoming north around 5 mph.
Thursday
Sunny, with a high near 54. East wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 46. East wind 5 to 10 mph.
Friday
Partly sunny, with a high near 56. Southeast wind around 10 mph.
Friday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 50. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 57. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 52. Breezy, with a west wind around 15 mph, with gusts as high as 25 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Grand Portage MN
 47.92°N 89.73°W
Last Update:
7:42 am CDT Oct 19, 2026
Forecast Valid:
12pm CDT Oct 19, 2026-6pm CDT Oct 25, 2026
 
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Additional Resources

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