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 74%
Wind Speed Calm
Barometer 30.40 in (1029.8 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 16 Sep 11:56 am CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 61. Calm wind becoming south around 5 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight. Areas of fog after midnight. Otherwise, mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 60. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 48. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 65. East wind around 5 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. Calm wind becoming north around 5 mph after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 61. Calm wind becoming south around 5 mph.
Tonight
A 30 percent chance of showers, mainly before midnight. Areas of fog after midnight. Otherwise, mostly cloudy, with a low around 50. Calm wind.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. Calm wind becoming north around 5 mph after midnight.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 60. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 48. East wind around 5 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 65. East wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around 48. Calm wind becoming north around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 64. East wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 46. East wind around 5 mph, with gusts as high as 15 mph.
Monday
Partly sunny, with a high near 63. East wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 47. East wind around 5 mph, with gusts as high as 15 mph.
Tuesday
Partly sunny, with a high near 64. East wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
11:12 am CDT Sep 16, 2026
Forecast Valid:
12pm CDT Sep 16, 2026-6pm CDT Sep 22, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation