Water Temperature of Lake Superior in Duluth, MN

Current Water Temperature

63.0°F

Measurement Time: Saturday, September 16, 2023, 12:00 AM CDT

Temperature Locations

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Local Points of Interest

Lakewood, MN

Lake Superior

Station Name: Lakewood Water Plant
Data Source: USGS

Elevation Above Sea Level: 614 feet

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 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 mi)
Namekagon River, Cable, WI (56.3 mi)

Weather for Duluth, Minnesota

Current Weather

°F
Light snow
Light snow
72%
°F
°F
mph
mph
°F
millibars
°F
%
0 in
100%
mi
0.5

Five Day Weather Forecast

Overcast
Wed
H: 18°F
L: 1°F
Overcast
Thu
H: 16°F
L: 0°F
Sunny
Fri
H: 21°F
L: 4°F
Partly Cloudy
Sat
H: 13°F
L: 1°F
Patchy moderate snow
Sun
H: 20°F
L: 4°F

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:11 AM
Sunset: 4:29 PM
Daylight: 8 hrs 36 mins
Moonrise: 1:25 PM
Moon Transit: 9:50 PM
Moonset: 5:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

8:32 AM - 11:02 AM
9:20 PM - 11:50 PM

Minor Periods

12:55 AM - 2:25 PM
4:35 AM - 6:05 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued December 31 at 5:54AM CST until December 31 at 12:00PM CST by NWS Duluth MN

Effective: Wed December 31, 2025, 5:54 AM
Expires: Wed December 31, 2025, 12:00 PM

* WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis Counties. In Wisconsin, Bayfield, Burnett, Douglas, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Red Cliff Band, the Lac Courte Oreilles Reservation, the St. Croix Band in Burnett County, the Fond du Lac Band, the Mille Lacs Band, Big Sandy Lake, East Lake, Hinckley and, Lena Lake areas and the Bois Forte Band, Deer Creek, Lake Vermilion and, Nett Lake areas. Other locations including the Apostle Islands National Lakeshore and Voyageurs National Park. This also includes the Boundary Waters western area. * WHEN...Until noon CST today. * IMPACTS...Freezing drizzle may quickly coat roadways with a thin layer of ice that may be undetectable. Light snow on top of the existing ice accumulation will continue to make roads slippery. Please use extreme caution, especially on bridges, overpasses, and around curves. Allow plenty of stopping distance and avoid braking suddenly.

Slow down and use caution while traveling. In Minnesota, call 511 or visit www.511mn.org for Minnesota road information. In Wisconsin, call 511 or visit www.511wi.gov for Wisconsin road information.


Wednesday, December 31, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 11.9°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 0.2

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:11 AM
Sunset: 4:29 PM
Daylight: 8 hrs 36 mins
Moonrise: 1:25 PM
Moon Transit: 9:50 PM
Moonset: 5:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

8:32 AM - 11:02 AM
9:20 PM - 11:50 PM

Minor Periods

12:55 AM - 2:25 PM
4:35 AM - 6:05 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 7.8°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 0.1

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:11 AM
Sunset: 4:30 PM
Daylight: 8 hrs 37 mins
Moonrise: 2:17 PM
Moon Transit: 10:57 PM
Moonset: 6:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

9:37 AM - 12:07 AM
12:00 AM - 12:00 AM

Minor Periods

1:47 PM - 3:17 PM
5:58 AM - 7:28 AM

Action Rating: 3 out of 5

Friday, January 2, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 12.2°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 0.2

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:12 AM
Sunset: 4:31 PM
Daylight: 8 hrs 38 mins
Moonrise: 3:24 PM
Moon Transit: 12:00 AM
Moonset: 7:39 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:44 AM - 1:14 PM

Minor Periods

2:54 PM - 4:24 PM
7:09 AM - 8:39 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 6°F
Average Humidity: 83%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 0.2

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:12 AM
Sunset: 4:32 PM
Daylight: 8 hrs 39 mins
Moonrise: 4:44 PM
Moon Transit: 12:03 AM
Moonset: 8:34 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:49 AM - 2:19 PM

Minor Periods

4:14 PM - 5:44 PM
8:04 AM - 9:34 AM

Action Rating: 5 out of 5

Sunday, January 4, 2026

Weather Forecast

Conditions: Patchy moderate snow
Average Temperature: 9.9°F
Average Humidity: 90%
Chance of Rain: 75%
Wind: 4.3 mph
UV Index: 0

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:12 AM
Sunset: 4:33 PM
Daylight: 8 hrs 41 mins
Moonrise: 6:09 PM
Moon Transit: 1:06 AM
Moonset: 9:14 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:36 AM - 3:06 AM
12:50 AM - 3:20 PM

Minor Periods

5:39 PM - 7:09 PM
8:44 AM - 10:14 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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