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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

39°F

4°C

Humidity 65%
Wind Speed NW 3 mph
Barometer 30.22 in (1024.2 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Last update 17 Oct 7:56 am CDT
Extended Forecast for

22 Miles ESE Grand Portage MN

  • Today

    Today: Sunny, with a high near 49. Windy, with a southwest wind around 30 mph, with gusts as high as 40 mph.

    High: 49 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 45 mph.

    Low: 47 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: Mostly sunny, with a high near 54. Windy, with a southwest wind 35 to 40 mph, with gusts as high as 45 mph.

    High: 54 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 49. Windy, with a southwest wind around 30 mph, with gusts as high as 40 mph.
Tonight
Partly cloudy, with a low around 47. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 45 mph.
Sunday
Mostly sunny, with a high near 54. Windy, with a southwest wind 35 to 40 mph, with gusts as high as 45 mph.
Sunday Night
Partly cloudy, with a low around 45. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Monday
Mostly sunny, with a high near 52. Northwest wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles ESE Grand Portage MN
 47.88°N 89.23°W (Elev. 600 ft)
Last Update:
8:07 am EDT Oct 17, 2026
Forecast Valid:
9am EDT Oct 17, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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