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.

N/A

Humidity NA
Wind Speed N 3 mph
Barometer 29.63 in
Dewpoint N/A
Visibility NA
Last update 18 Oct 6:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: A slight chance of showers before midnight, then a chance of sprinkles between midnight and 3am. Partly cloudy during the early evening, then becoming cloudy, with a low around 42. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of sprinkles after 8am. Mostly sunny, with a high near 49. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Chance
    Sprinkles and
    Breezy

  • Sunday Night

    Sunday Night: A chance of sprinkles. Partly cloudy, with a low around 39. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Chance
    Sprinkles

  • Monday

    Monday: A 50 percent chance of showers after 1pm. Increasing clouds, with a high near 49. Breezy, with a light east wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 49 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers. Low around 42. Breezy, with an east wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers. High near 45. Breezy, with a northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Cloudy, with a low around 38. Breezy, with a northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 42. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before midnight, then a chance of sprinkles between midnight and 3am. Partly cloudy during the early evening, then becoming cloudy, with a low around 42. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
A chance of sprinkles after 8am. Mostly sunny, with a high near 49. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A chance of sprinkles. Partly cloudy, with a low around 39. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 50 percent chance of showers after 1pm. Increasing clouds, with a high near 49. Breezy, with a light east wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Monday Night
Showers. Low around 42. Breezy, with an east wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers. High near 45. Breezy, with a northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers likely, mainly before 1am. Cloudy, with a low around 38. Breezy, with a northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 42. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 45. Northwest wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 38. West wind around 5 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 48. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Partly cloudy, with a low around 39. West wind around 5 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 49. North wind 5 to 10 mph becoming south in the afternoon. 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:
6:09 pm CDT Oct 18, 2025
Forecast Valid:
7pm CDT Oct 18, 2025-6pm CDT Oct 25, 2025
 
Forecast Discussion
 
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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