Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

31°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 30.21 in (1023.9 mb)
Dewpoint 29°F (-2°C)
Visibility NA
Last update 20 May 2:56 am CDT
Extended Forecast for

9 Miles ENE Grand Marais MN

Freeze Warning until May 20, 08:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until May 20, 08:00am

    NOW until 8:00am Wed

    Freeze Warning

  • Overnight

    Low: 32 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 7am.  Otherwise, mostly sunny, with a high near 50. Calm wind becoming south around 5 mph in the afternoon.

    High: 50 °F

    Frost then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 4am.  Otherwise, mostly clear, with a low around 36. South wind around 5 mph becoming calm.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind becoming south around 5 mph.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. East wind around 5 mph becoming calm.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Light northeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers.  Mostly cloudy, with a high near 53. East wind around 10 mph, with gusts as high as 25 mph.

    High: 53 °F

    Chance
    Showers

Detailed Forecast

Overnight
Widespread frost. Otherwise, partly cloudy, with a low around 32. Calm wind.
Wednesday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 50. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 36. South wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 54. Calm wind becoming south around 5 mph.
Thursday Night
Partly cloudy, with a low around 39. East wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 57. Light northeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 53. East wind around 10 mph, with gusts as high as 25 mph.
Saturday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 41. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Sunday
Partly sunny, with a high near 59. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 46. Calm wind.
Memorial Day
Mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 49. Calm wind.
Tuesday
Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Grand Marais MN
 47.8°N 90.17°W
2:36 am CDT May 20, 2026
3am CDT May 20, 2026-6pm CDT May 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database