National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

59°F

15°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 29.77 in (1007.9 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 9 Sep 2:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: Mostly clear, with a low around 59. Breezy, with a west wind around 15 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 64 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. West wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Calm wind becoming south around 5 mph after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 68. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 68 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 57. Breezy, with a south wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Showers and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 63. Breezy, with a west wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 63 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 59. Breezy, with a west wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 50. West wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 61. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 55. Calm wind becoming south around 5 mph after midnight.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 68. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 57. Breezy, with a south wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 63. Breezy, with a west wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 49. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunday
A slight chance of showers after 1pm. Partly sunny, with a high near 60. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A chance of showers. Partly cloudy, with a low around 49. West wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Monday
Showers likely. Mostly cloudy, with a high near 61. Windy, with an east wind 20 to 30 mph, with gusts as high as 45 mph.
Monday Night
Showers likely. Mostly cloudy, with a low around 51. Breezy, with an east wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 40 mph.
Tuesday
Partly sunny, with a high near 62. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 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:
3:16 am CDT Sep 9, 2026
Forecast Valid:
3am CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
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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