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.

25°F

-4°C

Humidity 60%
Wind Speed NA
Barometer 30.06 in (1019.5 mb)
Dewpoint 13°F (-11°C)
Visibility NA
Last update 17 Nov 6:56 am CST
Extended Forecast for

Grand Marais MN

  • Today

    Today: Sunny, with a high near 37. West wind around 5 mph, with gusts as high as 20 mph.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. North wind around 5 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. North wind around 5 mph becoming calm in the morning.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. Calm wind becoming southwest around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Cloudy, with a low around 36. Southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 41. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 41 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 30. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 37. West wind around 5 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 25. North wind around 5 mph.
Tuesday
Mostly sunny, with a high near 37. North wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 30. Calm wind becoming southwest around 5 mph.
Wednesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A 40 percent chance of rain. Cloudy, with a low around 36. Southwest wind around 5 mph, with gusts as high as 15 mph.
Thursday
Rain likely. Cloudy, with a high near 41. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 30. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 37. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 29. Northwest wind around 5 mph becoming southwest after midnight.
Saturday
Partly sunny, with a high near 40. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 34. West wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
A slight chance of rain. Partly sunny, with a high near 41. West 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:
6:17 am CST Nov 17, 2025
Forecast Valid:
7am CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation