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 74%
Wind Speed Calm
Barometer 30.34 in (1027.5 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 16 Sep 4:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight. Patchy fog between midnight and 4am. Otherwise, mostly cloudy, with a low around 50. East wind around 5 mph becoming calm.

    Low: 50 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind around 5 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 15 mph.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 57. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 57 °F

    Breezy.
    Becoming
    Cloudy then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 49. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 59. East wind around 10 mph, with gusts as high as 15 mph.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before midnight. Patchy fog between midnight and 4am. Otherwise, mostly cloudy, with a low around 50. East wind around 5 mph becoming calm.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 47. Northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 15 mph.
Friday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 57. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 49. East wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 59. East wind around 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 49. North wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 61. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 48. East wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 60. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 48. East wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 61. East wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 51. East wind 5 to 10 mph becoming south after midnight.
Wednesday
Partly sunny, with a high near 63. Northwest wind 5 to 10 mph becoming south in the morning. Winds could gust 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:
3:36 pm CDT Sep 16, 2026
Forecast Valid:
5pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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Additional Resources

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