Water Temperature of Lake Superior Near Duluth, MN

Current Water Temperature

55.2°F

Measurement Time: Tuesday, October 14, 2025, 1:10 PM CDT

Temperature Locations

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Local Points of Interest

McQuade Harbor; Lakewood, MN

Lake Superior

Station Name: McQuade Harbor Nearshore, MN
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: 46.86, -91.93

Nearby Water Temperatures

Lake Superior, Duluth, MN (1.4 mi)
Lake Superior, Duluth, MN (5.7 mi)
Knife River, Knife River, MN (8.8 mi)
Duluth Harbor, Duluth, MN (9.6 mi)
Lake Superior, Superior, WI (11.5 mi)
Lake Superior, Two Harbors, MN (16.6 mi)
Bois Brule River, Maple, WI (18.8 mi)
St. Louis River, Scanlon, MN (25.5 mi)
Saint Louis River, Hoyt Lakes, MN (43.2 mi)
Baptism River, Illgen City, MN (47.6 mi)
Partrige River, Babbitt, MN (52.5 mi)
Chequamegon Bay, Ashland, WI (52.7 mi)
Namekagon River, Cable, WI (55.5 mi)
Dunka River, Babbitt, MN (55.8 mi)
St. Croix River, Danbury, WI (56.2 mi)

Weather Near Duluth, Minnesota

Current Weather

-14.4°F
Overcast
Overcast
-25.2°F
-7.9°F
69%
W 3.8 mph
8 mph
-17.8°F
-14°F
0 in
100%
9 mi
1030 mbar
0

Five Day Weather Forecast

Partly Cloudy
Sun
H: 6°F
L: -8°F
Cloudy
Mon
H: 7°F
L: -11°F
Sunny
Tue
H: 14°F
L: -1°F
Light snow
Wed
H: 9°F
L: -8°F
Freezing fog
Thu
H: 13°F
L: -13°F

Air Quality

AQI: 1 - Good
PM2.5: 10.45 μg/m3
PM10: 11.35 μg/m3
Carbon Monoxide: 211.85 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 12:20 AM
Sunset: 5:01 PM
Daylight: 9 hrs 21 mins
Moonrise: 10:25 AM
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

4:33 AM - 7:03 AM
5:14 PM - 7:44 PM

Minor Periods

9:55 AM - 11:25 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Cold Weather Advisory issued January 24 at 1:47PM CST until January 25 at 12:00PM CST by NWS Duluth MN

Effective: Sat January 24, 2026, 1:47 PM
Expires: Sun January 25, 2026, 6:00 AM

* WHAT...Very cold wind chills as low as 30 degrees below zero expected. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin, Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Red Cliff Band, 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, the Fond du Lac Band, the Mille Lacs Band, Hinckley, Lena Lake, Big Sandy Lake and, East Lake areas and the Bois Forte Band, Deer Creek, Nett Lake and, Lake Vermilion areas. Other locations including Voyageurs National Park, the Apostle Islands National Lakeshore and Madeline Island. The entire Boundary Waters is also included. * WHEN...From 6 PM this evening to noon CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 25 degrees below zero could cause frostbite on exposed skin in as little as 30 minutes. Very cold temperatures can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Sunday, January 25, 2026

Weather Forecast

Partly Cloudy
5.9°F
-8.1°F
-3.5°F
67%
0 in
0%
0%
9.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 11.29 μg/m3
PM10: 12.31 μg/m3
Carbon Monoxide: 235.53 μg/m3
Nitrogen Dioxide: 8.47 μg/m3
Sulphur Dioxide: 2.91 μg/m3
Ozone: 53.16 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 12:20 AM
Sunset: 5:01 PM
Daylight: 9 hrs 21 mins
Moonrise: 10:25 AM
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

4:33 AM - 7:03 AM
5:14 PM - 7:44 PM

Minor Periods

9:55 AM - 11:25 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, January 26, 2026

Weather Forecast

Cloudy
7°F
-11.2°F
-1.8°F
72%
0 in
0%
3%
11.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 9.07 μg/m3
PM10: 9.81 μg/m3
Carbon Monoxide: 202.45 μg/m3
Nitrogen Dioxide: 5.37 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 59.88 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 12:20 AM
Sunset: 5:02 PM
Daylight: 9 hrs 23 mins
Moonrise: 10:49 AM
Moon Transit: 6:38 PM
Moonset: 1:22 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

5:24 AM - 7:54 AM
6:08 PM - 8:38 PM

Minor Periods

10:19 AM - 11:49 AM
12:52 AM - 2:22 AM

Action Rating: 3 out of 5

Tuesday, January 27, 2026

Weather Forecast

Sunny
14.2°F
-1.1°F
4.7°F
67%
0 in
0%
0%
12.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 5.04 μg/m3
PM10: 5.28 μg/m3
Carbon Monoxide: 172.97 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 69.4 μg/m3

Astronomical

Sunrise: 7:38 AM
Sun Transit: 12:20 AM
Sunset: 5:03 PM
Daylight: 9 hrs 26 mins
Moonrise: 11:20 AM
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

6:20 AM - 8:50 AM
7:06 PM - 9:36 PM

Minor Periods

10:50 AM - 12:20 AM
2:15 AM - 3:45 AM

Action Rating: 2 out of 5

Wednesday, January 28, 2026

Weather Forecast

Light snow
8.7°F
-7.7°F
-0.5°F
88%
0.01 in
87%
25%
7.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.19 μg/m3
PM10: 3.36 μg/m3
Carbon Monoxide: 167.23 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 72.08 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 12:20 AM
Sunset: 5:05 PM
Daylight: 9 hrs 28 mins
Moonrise: 12:04 AM
Moon Transit: 8:39 PM
Moonset: 4:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

7:21 AM - 9:51 AM
8:09 PM - 10:39 PM

Minor Periods

11:34 AM - 1:04 PM
3:37 AM - 5:07 AM

Action Rating: 3 out of 5

Thursday, January 29, 2026

Weather Forecast

Freezing fog
13.3°F
-13°F
-4.8°F
92%
0 in
0%
5%
6.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.57 μg/m3
PM10: 1.67 μg/m3
Carbon Monoxide: 163.37 μg/m3
Nitrogen Dioxide: 2.26 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 69.54 μg/m3

Astronomical

Sunrise: 7:36 AM
Sun Transit: 12:20 AM
Sunset: 5:06 PM
Daylight: 9 hrs 31 mins
Moonrise: 1:02 PM
Moon Transit: 9:44 PM
Moonset: 5:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
9:14 PM - 11:44 PM

Minor Periods

12:32 AM - 2:02 PM
4:51 AM - 6:21 AM

Action Rating: 2 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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