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

-7.6°F
Sunny
Sunny
-27°F
-7.5°F
58%
SW 11.9 mph
14 mph
-28°F
-16.2°F
0 in
0%
9 mi
1019 mbar
0.6

Five Day Weather Forecast

Partly Cloudy
Mon
H: 12°F
L: -12°F
Sunny
Tue
H: 14°F
L: -4°F
Sunny
Wed
H: 11°F
L: -2°F
Overcast
Thu
H: 6°F
L: -7°F
Overcast
Fri
H: 15°F
L: -9°F

Air Quality

AQI: 1 - Good
PM2.5: 12.55 μg/m3
PM10: 13.45 μg/m3
Carbon Monoxide: 222.85 μg/m3
Nitrogen Dioxide: 8.35 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 59 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

Cold Weather Advisory issued January 26 at 2:16AM CST until January 26 at 12:00PM CST by NWS Duluth MN

Effective: Mon January 26, 2026, 2:16 AM
Expires: Mon January 26, 2026, 12:00 PM

* WHAT...Very cold wind chills as low as 40 degrees below zero. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Cass, Carlton and South 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 northwestern area of the Lac du Flambeau Band, the Lac Courte Oreilles Reservation, the Fond du Lac Band, the Bad River Reservation, the Red Cliff Band, the Grand Portage Reservation, the St. Croix Band in Burnett County and the Mille Lacs Band, Big Sandy Lake, East Lake, Hinckley and, Lena Lake areas. Other locations including Madeline Island and the Apostle Islands National Lakeshore. This also includes the Boundary Waters eastern and central area. * WHEN...Until noon CST today. * IMPACTS...The dangerously cold wind chills as low as 40 degrees below zero could cause frostbite on exposed skin in as little as 10 minutes.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Monday, January 26, 2026

Weather Forecast

Partly Cloudy
12.4°F
-11.7°F
-0.8°F
64%
0 in
0%
11%
15.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 10.03 μg/m3
PM10: 10.9 μg/m3
Carbon Monoxide: 220.37 μg/m3
Nitrogen Dioxide: 5.32 μg/m3
Sulphur Dioxide: 2.26 μg/m3
Ozone: 61.16 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
14.4°F
-4.4°F
3.6°F
69%
0 in
0%
0%
13.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.32 μg/m3
PM10: 4.58 μg/m3
Carbon Monoxide: 174.53 μg/m3
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 71.44 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

Sunny
10.9°F
-1.8°F
2.8°F
65%
0 in
0%
0%
11 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 2.79 μg/m3
PM10: 2.91 μg/m3
Carbon Monoxide: 168.21 μg/m3
Nitrogen Dioxide: 3.36 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 70.68 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

Overcast
5.9°F
-6.5°F
-0.2°F
74%
0 in
0%
0%
8.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.1 μg/m3
PM10: 2.21 μg/m3
Carbon Monoxide: 161.53 μg/m3
Nitrogen Dioxide: 3.48 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 65.88 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

Friday, January 30, 2026

Weather Forecast

Overcast
14.8°F
-8.8°F
1.6°F
86%
0 in
0%
9%
9.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.02 μg/m3
PM10: 2.13 μg/m3
Carbon Monoxide: 166.93 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 66.23 μg/m3

Astronomical

Sunrise: 7:34 AM
Sun Transit: 12:21 AM
Sunset: 5:08 PM
Daylight: 9 hrs 34 mins
Moonrise: 2:15 PM
Moon Transit: 10:47 PM
Moonset: 6:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

9:30 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

1:45 PM - 3:15 PM
5:52 AM - 7:22 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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