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

25 Miles E Grand Portage MN

  • Today

    Today: Sunny, with a high near 50. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 50 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 45. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 45 mph.

    Low: 45 °F

    Increasing
    Clouds and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph.

    High: 56 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. Breezy, with a southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 53. Northwest wind around 5 mph becoming calm.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 50. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Tonight
Increasing clouds, with a low around 45. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 45 mph.
Sunday
Mostly sunny, with a high near 56. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph.
Sunday Night
Partly cloudy, with a low around 42. Breezy, with a southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 53. Northwest wind around 5 mph becoming calm.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles E Grand Portage MN
 47.92°N 89.17°W (Elev. 696 ft)
Last Update:
8:07 am EDT Oct 17, 2026
Forecast Valid:
9am EDT Oct 17, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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