Water Temperature of Lake Superior Near Duluth, MN
Current Water Temperature
Measurement Time: Tuesday, October 14, 2025, 1:10 PM CDT
Temperature Locations
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Station Name: Western Lake Superior
Station Type: Buoy
Data Source: National Data Buoy Center
Elevation Above Sea Level: 587 feet
Nearest Address:
Offshore
Duluth, MN 55804
St. Louis County
GPS Coordinates: 46.814, -91.829
Nearby Water Temperatures
Lake Superior, Duluth, MN (5.7 mi)Lake Superior, Duluth, MN (7 mi)
Knife River, Knife River, MN (9.3 mi)
Duluth Harbor, Duluth, MN (12.7 mi)
Lake Superior, Superior, WI (12.8 mi)
Bois Brule River, Maple, WI (13.1 mi)
Lake Superior, Two Harbors, MN (16.1 mi)
St. Louis River, Scanlon, MN (28.9 mi)
Baptism River, Illgen City, MN (46.7 mi)
Saint Louis River, Hoyt Lakes, MN (47.1 mi)
Chequamegon Bay, Ashland, WI (47.2 mi)
Namekagon River, Cable, WI (50.4 mi)
St. Croix River, Danbury, WI (54.7 mi)
Partrige River, Babbitt, MN (55.8 mi)
Bad River, Ashland, WI (58.3 mi)
Weather Near Duluth, Minnesota
Current Weather

Five Day Weather Forecast

Fri
H: -4°F
L: -25°F

Sat
H: 2°F
L: -16°F

Sun
H: 8°F
L: -11°F

Mon
H: 10°F
L: -15°F

Tue
H: 14°F
L: 1°F
Air Quality
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 62 μg/m3
Astronomical
Sun Transit: 12:19 AM
Sunset: 4:57 PM
Daylight: 9 hrs 16 mins
Moon Transit: 8:54 AM
Moonset: 10:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%
Best Times for Fishing or Hunting
Major Periods
8:24 AM - 10:54 AM8:24 AM - 10:54 AM
Minor Periods
10:15 PM - 11:45 PM9:18 AM - 10:48 AM
Action Rating: 2 out of 5
Extreme Cold Warning issued January 22 at 4:10PM CST until January 24 at 12:00PM CST by NWS Duluth MN
Effective: Thu January 22, 2026, 4:10 PM
Expires: Fri January 23, 2026, 4:15 AM
* WHAT...Dangerously cold wind chills as low as 50 degrees below zero. * WHERE...Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Lac Courte Oreilles Reservation, the St. Croix Band in Burnett County, the Bad River Reservation, the Red Cliff Band and the northwestern area of the Lac du Flambeau Band. Other locations including Madeline Island and the Apostle Islands National Lakeshore. * WHEN...Until noon CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 50 degrees below zero could cause frostbite on exposed skin in as little as 10 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Extreme Cold Warning issued January 23 at 2:43AM CST until January 24 at 12:00PM CST by NWS Duluth MN
Effective: Fri January 23, 2026, 2:43 AM
Expires: Fri January 23, 2026, 2:45 PM
* WHAT...Dangerously cold wind chills as low as 50 degrees below zero. * WHERE...Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Bad River Reservation, the St. Croix Band in Burnett County, the Lac Courte Oreilles Reservation, the northwestern area of the Lac du Flambeau Band and the Red Cliff Band. Other locations including Madeline Island and the Apostle Islands National Lakeshore. * WHEN...Until noon CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 50 degrees below zero could cause frostbite on exposed skin in as little as 5 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Extreme Cold Warning issued January 22 at 4:10PM CST until January 24 at 12:00PM CST by NWS Duluth MN
Effective: Thu January 22, 2026, 4:10 PM
Expires: Fri January 23, 2026, 4:15 AM
* WHAT...Dangerously cold wind chills of 45 to near 60 degrees below zero. * WHERE...Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Fond du Lac Band, the Grand Portage Reservation, the Mille Lacs Band, East Lake, Hinckley, Lena Lake and, Big Sandy Lake areas and the Bois Forte Band, Deer Creek, Lake Vermilion and, Nett Lake areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...Until noon CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 55 degrees below zero could cause frostbite on exposed skin in as little as 5 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Extreme Cold Warning issued January 23 at 2:43AM CST until January 24 at 12:00PM CST by NWS Duluth MN
Effective: Fri January 23, 2026, 2:43 AM
Expires: Fri January 23, 2026, 2:45 PM
* WHAT...Dangerously cold wind chills of 45 to near 60 degrees below zero. * WHERE...Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Fond du Lac Band, the Grand Portage Reservation, the Mille Lacs Band, East Lake, Big Sandy Lake, Hinckley and, Lena Lake areas and the Bois Forte Band, Nett Lake, Deer Creek and, Lake Vermilion areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...Until noon CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 60 degrees below zero could cause frostbite on exposed skin in as little as 5 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.31 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 61.48 μg/m3
Astronomical
Sun Transit: 12:19 AM
Sunset: 4:57 PM
Daylight: 9 hrs 16 mins
Moon Transit: 8:54 AM
Moonset: 10:45 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%
Best Times for Fishing or Hunting
Major Periods
8:24 AM - 10:54 AM8:24 AM - 10:54 AM
Minor Periods
10:15 PM - 11:45 PM9:18 AM - 10:48 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 60.12 μg/m3
Astronomical
Sun Transit: 12:19 AM
Sunset: 4:59 PM
Daylight: 9 hrs 18 mins
Moon Transit: 4:55 PM
Moonset: 12:02 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%
Best Times for Fishing or Hunting
Major Periods
3:46 AM - 6:16 AM4:25 PM - 6:55 PM
Minor Periods
12:00 AM - 12:00 AM9:35 AM - 11:05 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.05 μg/m3
Sulphur Dioxide: 2.91 μg/m3
Ozone: 53.32 μg/m3
Astronomical
Sun Transit: 12:19 AM
Sunset: 5:00 PM
Daylight: 9 hrs 21 mins
Moon Transit: 5:44 PM
Moonset: 12:02 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Best Times for Fishing or Hunting
Major Periods
4:34 AM - 7:04 AM5:14 PM - 7:44 PM
Minor Periods
9:55 AM - 11:25 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.47 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 58.84 μg/m3
Astronomical
Sun Transit: 12:19 AM
Sunset: 5:02 PM
Daylight: 9 hrs 23 mins
Moon Transit: 6:37 PM
Moonset: 1:22 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%
Best Times for Fishing or Hunting
Major Periods
5:25 AM - 7:55 AM6:07 PM - 8:37 PM
Minor Periods
10:19 AM - 11:49 AM12:52 AM - 2:22 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.3 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 68.62 μg/m3
Astronomical
Sun Transit: 12:20 AM
Sunset: 5:03 PM
Daylight: 9 hrs 26 mins
Moon Transit: 7:36 PM
Moonset: 2:45 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%
Best Times for Fishing or Hunting
Major Periods
6:21 AM - 8:51 AM7:06 PM - 9:36 PM
Minor Periods
10:50 AM - 12:20 AM2:15 AM - 3:45 AM
Action Rating: 2 out of 5
