Water Temperature of Lake Superior in Duluth, MN
Current Water Temperature
Measurement Time: Saturday, September 16, 2023, 12:00 AM CDT
Temperature Locations
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Local Points of Interest
Lakewood, MNSponsored Content
Station Name: Lakewood Water Plant
Data Source: USGS
Elevation Above Sea Level: 614 feet / 187 meters
Nearest Address:
8126 Congdon Blvd
Duluth, MN 55804
St. Louis County
GPS Coordinates: 46.8619, -91.9600
Nearby Water Temperatures
Lake Superior, Duluth, MN (1.4 mi)Lake Superior, Duluth, MN (7.0 mi)
Duluth Harbor, Duluth, MN (8.6 mi)
Knife River, Knife River, MN (9.9 mi)
Lake Superior, Superior, WI (10.9 mi)
Lake Superior, Two Harbors, MN (17.6 mi)
Bois Brule River, Maple, WI (20.1 mi)
St. Louis River, Scanlon, MN (24.3 mi)
Saint Louis River, Hoyt Lakes, MN (42.9 mi)
Baptism River, Illgen City, MN (48.6 mi)
Partrige River, Babbitt, MN (52.4 mi)
Chequamegon Bay, Ashland, WI (54.1 mi)
Dunka River, Babbitt, MN (55.8 mi)
St. Croix River, Danbury, WI (56.0 mi)
Namekagon River, Cable, WI (56.3 mi)
Weather for Duluth, Minnesota
Current Weather

Humidity: 69%
Feels Like: 15.8°F
Wind: NW 19 mph
Wind Gusts: 22.8 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0.7
Five Day Weather Forecast

Wed
H: 30°F
L: 22°F

Thu
H: 31°F
L: 21°F

Fri
H: 29°F
L: 17°F

Sat
H: 26°F
L: 14°F

Sun
H: 20°F
L: 10°F
Air Quality
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 74 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:24 PM
Daylight: 8 hrs 58 mins
Moon Transit: 5:12 PM
Moonset: 10:09 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%
Best Times for Fishing or Hunting
Major Periods
4:02 AM - 6:32 AM4:42 PM - 7:12 PM
Minor Periods
9:39 PM - 11:09 PM11:56 AM - 1:26 PM
Action Rating: 3 out of 5
Blizzard Warning issued November 25 at 9:38PM CST until November 27 at 12:00AM CST by NWS Duluth MN
Effective: Tue November 25, 2025, 9:38 PM
Expires: Wed November 26, 2025, 9:45 AM
* WHAT...Blizzard conditions expected. Total snow accumulations between 8 and 14 inches except between 12 and 16 inches for northern Bayfield County. Winds gusting as high as 40 mph. * WHERE...Bayfield and Douglas Counties. This includes the Tribal Lands of the Red Cliff Band. Other locations including the Apostle Islands National Lakeshore. * WHEN...Until midnight CST Wednesday Night. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Wednesday morning and evening commutes. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the warned area. Areas near Lake Superior, including the city of Superior, will receive less snow and may not see blizzard conditions. Blustery winds gusting up to 40 mph may result in areas of blowing and drifting snow.
Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. Call 511 or visit www.511wi.gov for Wisconsin road information.
Blizzard Warning issued November 26 at 2:59AM CST until November 27 at 12:00AM CST by NWS Duluth MN
Effective: Wed November 26, 2025, 2:59 AM
Expires: Wed November 26, 2025, 6:00 PM
* WHAT...Blizzard conditions expected. Total snow accumulations between 4 and 12 inches except between 12 and 18 inches for northern Bayfield County. Winds gusting as high as 45 mph. * WHERE...Bayfield and Douglas Counties. This includes the Tribal Lands of the Red Cliff Band. Other locations including the Apostle Islands National Lakeshore. * WHEN...Until midnight CST tonight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Wednesday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the warned area. Areas near Lake Superior, including the city of Superior, will receive less snow and may not see blizzard conditions. Blustery winds gusting up to 40 mph may result in areas of blowing and drifting snow.
Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. Call 511 or visit www.511wi.gov for Wisconsin road information.
Winter Storm Warning issued November 25 at 9:38PM CST until November 27 at 12:00AM CST by NWS Duluth MN
Effective: Tue November 25, 2025, 9:38 PM
Expires: Wed November 26, 2025, 9:45 AM
* WHAT...Heavy snow. Additional snow accumulations between 2 and 7 inches. Winds gusting as high as 45 mph. * WHERE...Carlton, South and Central St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Fond du Lac Band, the Bois Forte Band, Lake Vermilion area and the Grand Portage Reservation. This also includes the Boundary Waters eastern and central area. * WHEN...Until midnight CST Wednesday Night. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult. The hazardous conditions could impact the Wednesday morning commutes. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the warning area. Snow totals will be less near Lake Superior. Blustery winds gusting up to 35 mph may result in areas of blowing and drifting snow.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit www.511mn.org for Minnesota road information.
Winter Storm Warning issued November 26 at 2:59AM CST until November 27 at 12:00AM CST by NWS Duluth MN
Effective: Wed November 26, 2025, 2:59 AM
Expires: Wed November 26, 2025, 6:00 PM
* WHAT...Heavy snow. Additional snow accumulations between 2 and 8 inches, with most of that snowfall occurring before 6AM for St. Louis and Carlton counties. Winds gusting as high as 45 mph. * WHERE...Carlton, South and Central St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Bois Forte Band, Lake Vermilion area, the Grand Portage Reservation and the Fond du Lac Band. This also includes the Boundary Waters eastern and central area. * WHEN...Until midnight CST tonight. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult. The hazardous conditions could impact the Wednesday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the warning area. Snow totals will be less near Lake Superior. Blustery winds gusting up to 45 mph may result in areas of blowing and drifting snow.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit www.511mn.org for Minnesota road information.
Weather Forecast
Average Temperature: 27.2°F
Average Humidity: 75%
Wind: 21.5 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 1.56 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 74.68 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:24 PM
Daylight: 8 hrs 58 mins
Moon Transit: 5:12 PM
Moonset: 10:09 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%
Best Times for Fishing or Hunting
Major Periods
4:02 AM - 6:32 AM4:42 PM - 7:12 PM
Minor Periods
9:39 PM - 11:09 PM11:56 AM - 1:26 PM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 25.1°F
Average Humidity: 70%
Wind: 14.1 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 1.66 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 77.04 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:23 PM
Daylight: 8 hrs 56 mins
Moon Transit: 5:58 PM
Moonset: 11:23 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%
Best Times for Fishing or Hunting
Major Periods
4:49 AM - 7:19 AM5:28 PM - 7:58 PM
Minor Periods
12:00 AM - 12:00 AM12:16 AM - 1:46 PM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 22.1°F
Average Humidity: 76%
Wind: 7.2 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 2.61 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 74.64 μg/m3
Astronomical
Sun Transit: 11:55 AM
Sunset: 4:23 PM
Daylight: 8 hrs 54 mins
Moon Transit: 6:43 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%
Best Times for Fishing or Hunting
Major Periods
5:34 AM - 8:04 AM6:13 PM - 8:43 PM
Minor Periods
12:33 AM - 2:03 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 20°F
Average Humidity: 89%
Wind: 11 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 75.6 μg/m3
Astronomical
Sun Transit: 11:56 AM
Sunset: 4:22 PM
Daylight: 8 hrs 52 mins
Moon Transit: 8:12 PM
Moonset: 12:38 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%
Best Times for Fishing or Hunting
Major Periods
6:20 AM - 8:50 AM7:42 PM - 10:12 PM
Minor Periods
12:50 AM - 2:20 PM12:08 AM - 1:38 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 17.8°F
Average Humidity: 87%
Wind: 12.3 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 2.23 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 80.85 μg/m3
Astronomical
Sun Transit: 11:56 AM
Sunset: 4:22 PM
Daylight: 8 hrs 50 mins
Moon Transit: 8:17 PM
Moonset: 1:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:47 PM - 10:17 PM
Minor Periods
1:08 PM - 2:38 PM1:24 AM - 2:54 AM
Action Rating: 2 out of 5
