Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

42°F

6°C

Humidity 79%
Wind Speed W 7 mph
Barometer 30.06 in (1018.6 mb)
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 19 May 8:56 pm CDT
Extended Forecast for

Grand Marais MN

Freeze Warning May 20, 12:00am until May 20, 08:00am
Click here for hazard details and duration
Freeze Warning
  • Tonight

    Tonight: A chance of sprinkles before midnight.  Widespread frost, mainly after 5am.  Otherwise, partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 34 °F

    Chance
    Sprinkles
    then Frost

  • Wednesday

    Wednesday: Areas of frost before 8am.  Otherwise, mostly sunny, with a high near 50. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 50 °F

    Areas Frost
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 5am.  Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: Sunny, with a high near 55. Calm wind becoming south around 5 mph in the morning.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. East wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 1am.  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
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers.  Mostly cloudy, with a high near 55. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 1am.  Mostly cloudy, with a low around 42. East wind around 5 mph becoming calm.

    Low: 42 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of sprinkles before midnight. Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Wednesday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 50. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.
Thursday
Sunny, with a high near 55. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 56. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A chance of showers after 1am. 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 55. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 42. East wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 62. Calm wind becoming southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 46. Calm wind.
Memorial Day
A slight chance of showers. Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph.
Monday Night
Partly cloudy, with a low around 48. Calm wind.
Tuesday
Mostly sunny, with a high near 68. Calm wind becoming southeast around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
8:16 pm CDT May 19, 2026
9pm CDT May 19, 2026-6pm CDT May 26, 2026
 
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Additional Resources

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