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.

36°F

2°C

Humidity 70%
Wind Speed W 8 G 25 mph
Barometer 29.87 in (1012.6 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 9 Apr 7:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Partly sunny, with a high near 39. West wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 29. West wind around 5 mph becoming calm.

    Low: 29 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 41. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. West wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 42. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 42 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 37. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers
    Likely then
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 49. East wind around 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Showers

  • Sunday Night

    Sunday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 41. Southeast wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 41 °F

    Rain Likely

  • Monday

    Monday: A slight chance of rain after 1pm. Partly sunny, with a high near 47. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 47 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 39. West wind 5 to 10 mph, with gusts as high as 25 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 29. West wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 41. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 30. West wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 42. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Showers. Low around 37. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 49. East wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 41. Southeast wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Monday
A slight chance of rain after 1pm. Partly sunny, with a high near 47. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Rain likely before 4am, then rain and snow likely. Mostly cloudy, with a low around 31. Blustery, with a northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 38. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Blustery, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 38. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
8:21 am CDT Apr 9, 2026
Forecast Valid:
8am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation