Grand Portage, Minnesota Weather
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Weather Forecast for Grand Portage, Minnesota : Cook County
Issued: 4:26 pm CDT Aug 2, 2025 Latitude: 47.963776 Longitude: -89.6848121 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Smoke on Tonight Smoke on Sunday Partly Sunny on Monday Partly Sunny on Tuesday 10% chance of rain on Wednesday 20% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday
Low: 61°F High: 76°F High: 73°F High: 73°F High: 77°F High: 78°F High: 78°F High: 78°F
Low: 61°F Low: 60°F Low: 61°F Low: 64°F Low: 65°F Low: 64°F  
Smoke Smoke Partly Sunny Partly Sunny Rain Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
GRAND MARAIS - (KCKC)
72°
Clear
as of 5:15 PM CDST
Rel. Humidity: 73%
Dew Point: 63°F
Visibility: 7 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
GRAND MARAIS, THE BAY OF - (KGNA)
66°
Clear
as of 4:56 PM CDST
Rel. Humidity: 63%
Dew Point: 54°F
Pressure: 30.22 in.
Wind Data
9 MPH
290° West
Current Conditions at
HANCOCK - (KCMX)
75°
Clear
Haze
as of 5:53 PM EDST
Rel. Humidity: 44%
Dew Point: 52°F
Visibility: 6 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
15 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
COPPER HARBOR - (KP59)
79°
Cloudy
as of 5:51 PM EDST
Rel. Humidity: 36%
Dew Point: 50°F
Pressure: 30.21 in.
Wind Data
12 MPH
Gust: 22 MPH
330° Northwest
Smoke on Tonight Tonight... Areas of smoke. Partly cloudy, with a low around 61. West wind 5 to 10 mph, with gusts as high as 20 mph.
Smoke on Sunday Sunday... Areas of smoke. Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Smoke on Sunday Night Sunday Night... Areas of smoke before 1am. Partly cloudy, with a low around 61. West wind around 5 mph.
Partly Sunny on Monday Monday... Partly sunny, with a high near 73. Calm wind becoming southeast around 5 mph in the morning.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 60. Northeast wind around 5 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 73. East wind around 5 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 61. East wind around 5 mph.
10% chance of rain Wednesday Wednesday... A slight chance of showers after 1pm. Mostly sunny, with a high near 77. Southeast wind around 5 mph.
20% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
20% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
20% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind around 5 mph.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Southwest wind around 5 mph.
20% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind around 5 mph.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Partly sunny, with a high near 78. South wind 5 to 10 mph.
Current Radar Image


Sun Almanac for Grand Portage, Minnesota
Sunrise: 05:37 AM
Sunset: 8:33 PM
Civil Sunrise:05:01 AM
Civil Sunset: 9:09 PM
Nautical Sunrise: 04:15 AM
Nautical Sunset: 9:55 PM
Astro Sunrise: 03:19 AM
Astro Sunset: 10:51 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.