Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

31°F

-1°C

Humidity 89%
Wind Speed N 5 mph
Barometer 30.39 in (1030.2 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 21 May 4:56 am CDT
Extended Forecast for

Grand Marais MN

Freeze Warning until May 21, 08:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until May 21, 08:00am

    NOW until 8:00am Thu

    Freeze Warning

  • Overnight

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 47. East wind around 5 mph.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 37. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 49. Breezy, with an east wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 49 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 38. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers.  High near 47. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am.  Mostly cloudy, with a low around 40. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 40 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the morning.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 36. Northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 47. East wind around 5 mph.
Thursday Night
Increasing clouds, with a low around 37. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 49. Breezy, with an east wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 38. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Showers. High near 47. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 40. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 45. Calm wind.
Memorial Day
Mostly sunny, with a high near 64. Calm wind becoming south around 5 mph.
Monday Night
Mostly clear, with a low around 48. Calm wind.
Tuesday
Mostly sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 48. East wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 62. East wind 5 to 10 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
5:16 am CDT May 21, 2026
5am CDT May 21, 2026-6pm CDT May 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database