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.

6°F

-14°C

Humidity 66%
Wind Speed N 5 mph
Barometer 30.41 in (1032.4 mb)
Dewpoint -3°F (-19°C)
Visibility NA
Wind Chill-3°F (-19°C)
Last update 1 Mar 7:56 pm CST
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Mostly cloudy, with a temperature falling to near 11 by 11pm, then rising to around 19 during the remainder of the night. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 11 °F⇑

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. Windy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 35 mph.

    High: 36 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. South wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. West wind 5 to 10 mph becoming southeast in the afternoon.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. Southeast wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 15 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 37. East wind around 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain, mainly after midnight. Cloudy, with a low around 32. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a temperature falling to near 11 by 11pm, then rising to around 19 during the remainder of the night. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 36. Windy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 35 mph.
Monday Night
Partly cloudy, with a low around 26. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 34. Northeast wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 27. South wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 40. West wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 30. Southeast wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 15 mph.
Thursday
Mostly cloudy, with a high near 37. East wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of rain, mainly after midnight. Cloudy, with a low around 32. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A chance of rain. Mostly cloudy, with a high near 40. East wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 40. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 31. Southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 43. Southwest wind around 10 mph, with gusts as high as 20 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:
7:21 pm CST Mar 1, 2026
Forecast Valid:
8pm CST Mar 1, 2026-6pm CDT Mar 8, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation