Current conditions at
Grand Marais, The Bay of Grand Marais (KGNA)
Lat: 47.75°NLon: 90.34°WElev: 610ft.57°F
14°C
| Humidity | 72% |
| Wind Speed | N 6 mph |
| Barometer | 29.93 in (1013.0 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | NA |
| Last update | 19 Aug 6:56 am CDT |
Extended Forecast for
4 Miles SW Grand Portage MN
Today
High: 64 °F
Mostly Sunny
Tonight
Low: 49 °F
Partly Cloudy
Thursday
High: 62 °F
Mostly Sunny
then Slight
Chance
ShowersThursday Night
Low: 52 °F
Chance
ShowersFriday
High: 65 °F
Mostly Sunny
Friday Night
Low: 54 °F
Slight Chance
ShowersSaturday
High: 66 °F
Sunny
Saturday Night
Low: 52 °F
Partly Cloudy
Sunday
High: 66 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 64. North wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Tonight
Partly cloudy, with a low around 49. South wind 5 to 10 mph becoming light and variable in the evening.
Thursday
A 20 percent chance of showers after noon. Partly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 52. East wind around 5 mph.
Friday
Mostly sunny, with a high near 65. North wind 5 to 10 mph becoming south in the afternoon.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 54. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 66. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 52. Northwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 66. North wind around 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming north after midnight.
Monday
Partly sunny, with a high near 66. Northwest wind 5 to 10 mph becoming south in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. South wind 5 to 10 mph becoming north after midnight.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68. Breezy, with a north wind 5 to 15 mph becoming southeast in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Grand Portage MN
47.92°N 89.73°W
47.92°N 89.73°W
6:46 am CDT Aug 19, 2026
7am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
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