Water Temperature of the Grand Portage River in Grand Portage, MN
Current Water Temperature
Measurement Time: Monday, January 12, 2026, 11:15 PM CST
Temperature Locations
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Local Points of Interest
Grand Portage Bay; Lake SuperiorStation Name: GRAND PORTAGE RIVER AT GRAND PORTAGE MN
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 623 feet
Nearest Address:
1 Upper Rd
Grand Portage, MN 55605
Cook County
GPS Coordinates: 47.9634982, -89.6834233
Nearby Water Temperatures
Washington Creek, Windigo, MI (25 mi)Lake Superior, Grand Marais, MN (33.3 mi)
Grand Marais Harbor, Grand Marais, MN (33.9 mi)
Lake Superior, Lake Superior, MI (43.7 mi)
Poplar River, Lutsen, MN (52.6 mi)
Lake Superior, Calumet, MI (69.3 mi)
Pilgrim River, Houghton, MI (80.5 mi)
Baptism River, Illgen City, MN (82.8 mi)
Kawishiwi River, Ely, MN (85.7 mi)
Lake Superior, Isle Royale, MI (90.4 mi)
Keweenaw Bay, Jacobsville, MI (91.2 mi)
West Branch Ontonagon River, Bergland, MI (95.2 mi)
Presque Isle River, Tula, MI (98 mi)
Sturgeon River, Pelkie, MI (98 mi)
Falls River, L'Anse, MI (102.8 mi)
Weather for Grand Portage, Minnesota
Current Weather

Five Day Weather Forecast

Tue
H: 36°F
L: 9°F

Wed
H: 15°F
L: 3°F

Thu
H: 20°F
L: 6°F

Fri
H: 30°F
L: 1°F

Sat
H: 10°F
L: -13°F
Air Quality
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 72 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 4:31 PM
Daylight: 8 hrs 46 mins
Moon Transit: 7:52 AM
Moonset: 11:59 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%
Best Times for Fishing or Hunting
Major Periods
7:22 AM - 9:52 AM7:49 PM - 10:19 PM
Minor Periods
11:29 AM - 12:59 AM3:10 AM - 4:40 AM
Action Rating: 3 out of 5
Winter Weather Advisory issued January 13 at 12:18AM CST until January 13 at 6:00AM CST by NWS Duluth MN
Effective: Tue January 13, 2026, 12:18 AM
Expires: Tue January 13, 2026, 6:00 AM
* WHAT...Mixed precipitation. Additional snow accumulations up to one inch and ice accumulations around a light glaze. * WHERE...Koochiching, Carlton, St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Fond du Lac Band and the Bois Forte Band, Nett Lake and, Lake Vermilion areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...Until 6 AM CST early this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions.
Slow down and use caution while traveling. Call 511 or visit www.511mn.org for Minnesota road information. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.14 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 73.8 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 4:31 PM
Daylight: 8 hrs 46 mins
Moon Transit: 7:52 AM
Moonset: 11:59 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%
Best Times for Fishing or Hunting
Major Periods
7:22 AM - 9:52 AM7:49 PM - 10:19 PM
Minor Periods
11:29 AM - 12:59 AM3:10 AM - 4:40 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.22 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 74.4 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 4:32 PM
Daylight: 8 hrs 48 mins
Moon Transit: 8:41 AM
Moonset: 12:31 AM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%
Best Times for Fishing or Hunting
Major Periods
8:11 AM - 10:41 AM8:39 PM - 11:09 PM
Minor Periods
12:01 AM - 1:31 PM4:18 AM - 5:48 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.82 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 73.88 μg/m3
Astronomical
Sun Transit: 12:08 AM
Sunset: 4:34 PM
Daylight: 8 hrs 50 mins
Moon Transit: 9:32 AM
Moonset: 1:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:02 AM - 11:32 AM
Minor Periods
12:43 AM - 2:13 PM5:20 AM - 6:50 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.94 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 71.24 μg/m3
Astronomical
Sun Transit: 12:08 AM
Sunset: 4:35 PM
Daylight: 8 hrs 53 mins
Moon Transit: 10:24 AM
Moonset: 2:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:54 AM - 12:24 AM
Minor Periods
1:37 PM - 3:07 PM6:15 AM - 7:45 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.23 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 73.85 μg/m3
Astronomical
Sun Transit: 12:08 AM
Sunset: 4:37 PM
Daylight: 8 hrs 55 mins
Moon Transit: 11:17 AM
Moonset: 3:11 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:47 AM - 1:17 PM
Minor Periods
2:41 PM - 4:11 PM6:58 AM - 8:28 AM
Action Rating: 4 out of 5
