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

-1.8°F
Light snow
Light snow
-19°F
1.3°F
70%
W 11 mph
14.9 mph
-13.5°F
-8.2°F
0 in
100%
9 mi
1017 mbar
0

Five Day Weather Forecast

Light freezing rain
Thu
H: 1°F
L: -18°F
Sunny
Fri
H: -4°F
L: -20°F
Partly Cloudy
Sat
H: 3°F
L: -16°F
Light snow
Sun
H: 8°F
L: -14°F
Mist
Mon
H: 11°F
L: -17°F

Air Quality

AQI: 1 - Good
PM2.5: 1.65 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 172.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:19 AM
Sunset: 4:56 PM
Daylight: 9 hrs 13 mins
Moonrise: 9:32 AM
Moon Transit: 12:00 AM
Moonset: 9:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:16 AM - 4:46 AM

Minor Periods

9:00 PM - 10:30 PM
9:02 AM - 10:32 AM

Action Rating: 2 out of 5

Extreme Cold Warning issued January 21 at 1:04PM CST until January 23 at 11:00AM CST by NWS Duluth MN

Effective: Wed January 21, 2026, 1:04 PM
Expires: Thu January 22, 2026, 7:15 AM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 45 degrees below zero expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 40 degrees below zero possible. * WHERE...Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Red Cliff Band, the northwestern area of the Lac du Flambeau Band, the Bad River Reservation, the St. Croix Band in Burnett County and the Lac Courte Oreilles Reservation. Other locations including the Apostle Islands National Lakeshore and Madeline Island. * WHEN...For the Extreme Cold Warning, from 6 PM Thursday to 11 AM CST Friday. For the Extreme Cold Watch, from Friday morning through Saturday morning. * IMPACTS...The dangerously cold wind chills as low as 45 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Extreme Cold Watch issued January 21 at 1:04PM CST until January 24 at 12:00PM CST by NWS Duluth MN

Effective: Wed January 21, 2026, 1:04 PM
Expires: Thu January 22, 2026, 7:15 AM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 45 degrees below zero expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 40 degrees below zero possible. * WHERE...Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Red Cliff Band, the northwestern area of the Lac du Flambeau Band, the Bad River Reservation, the St. Croix Band in Burnett County and the Lac Courte Oreilles Reservation. Other locations including the Apostle Islands National Lakeshore and Madeline Island. * WHEN...For the Extreme Cold Warning, from 6 PM Thursday to 11 AM CST Friday. For the Extreme Cold Watch, from Friday morning through Saturday morning. * IMPACTS...The dangerously cold wind chills as low as 45 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. 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 21 at 1:04PM CST until January 23 at 11:00AM CST by NWS Duluth MN

Effective: Wed January 21, 2026, 1:04 PM
Expires: Thu January 22, 2026, 7:15 AM

* WHAT...For the Cold Weather Advisory, very cold wind chills as low as 40 degrees below zero expected. For the Extreme Cold Warning, dangerously cold wind chills 40 to 55 degrees below zero expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 45 degrees below zero possible. * WHERE...Crow Wing, Aitkin, Cass, Itasca, Carlton, South and Central St. Louis, Southern Cook and Southern Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Fond du Lac Band, the Mille Lacs Band, Big Sandy Lake and, East Lake areas and the Bois Forte Band, Deer Creek and, Lake Vermilion areas. * WHEN...For the Cold Weather Advisory, from midnight tonight to 3 PM CST Thursday. For the Extreme Cold Warning, from 3 PM Thursday to 11 AM CST Friday. For the Extreme Cold Watch, from Friday morning through Saturday morning. * IMPACTS...The dangerously cold wind chills colder than 50 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 21 at 1:04PM CST until January 22 at 3:00PM CST by NWS Duluth MN

Effective: Wed January 21, 2026, 1:04 PM
Expires: Thu January 22, 2026, 7:15 AM

* WHAT...For the Cold Weather Advisory, very cold wind chills as low as 40 degrees below zero expected. For the Extreme Cold Warning, dangerously cold wind chills 40 to 55 degrees below zero expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 45 degrees below zero possible. * WHERE...Crow Wing, Aitkin, Cass, Itasca, Carlton, South and Central St. Louis, Southern Cook and Southern Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Fond du Lac Band, the Mille Lacs Band, Big Sandy Lake and, East Lake areas and the Bois Forte Band, Deer Creek and, Lake Vermilion areas. * WHEN...For the Cold Weather Advisory, from midnight tonight to 3 PM CST Thursday. For the Extreme Cold Warning, from 3 PM Thursday to 11 AM CST Friday. For the Extreme Cold Watch, from Friday morning through Saturday morning. * IMPACTS...The dangerously cold wind chills colder than 50 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Extreme Cold Watch issued January 21 at 1:04PM CST until January 24 at 12:00PM CST by NWS Duluth MN

Effective: Wed January 21, 2026, 1:04 PM
Expires: Thu January 22, 2026, 7:15 AM

* WHAT...For the Cold Weather Advisory, very cold wind chills as low as 40 degrees below zero expected. For the Extreme Cold Warning, dangerously cold wind chills 40 to 55 degrees below zero expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 45 degrees below zero possible. * WHERE...Crow Wing, Aitkin, Cass, Itasca, Carlton, South and Central St. Louis, Southern Cook and Southern Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Fond du Lac Band, the Mille Lacs Band, Big Sandy Lake and, East Lake areas and the Bois Forte Band, Deer Creek and, Lake Vermilion areas. * WHEN...For the Cold Weather Advisory, from midnight tonight to 3 PM CST Thursday. For the Extreme Cold Warning, from 3 PM Thursday to 11 AM CST Friday. For the Extreme Cold Watch, from Friday morning through Saturday morning. * IMPACTS...The dangerously cold wind chills colder than 50 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. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Thursday, January 22, 2026

Weather Forecast

Light freezing rain
0.7°F
-17.7°F
-4.9°F
63%
0.01 in
85%
18%
17.7 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.77 μg/m3
PM10: 1.89 μg/m3
Carbon Monoxide: 165.21 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 72.76 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:19 AM
Sunset: 4:56 PM
Daylight: 9 hrs 13 mins
Moonrise: 9:32 AM
Moon Transit: 12:00 AM
Moonset: 9:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:16 AM - 4:46 AM

Minor Periods

9:00 PM - 10:30 PM
9:02 AM - 10:32 AM

Action Rating: 2 out of 5

Friday, January 23, 2026

Weather Forecast

Sunny
-3.8°F
-20°F
-13°F
64%
0 in
0%
0%
13.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.67 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 164.05 μg/m3
Nitrogen Dioxide: 2.32 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 61.4 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:19 AM
Sunset: 4:58 PM
Daylight: 9 hrs 16 mins
Moonrise: 9:48 AM
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 AM
8:24 AM - 10:54 AM

Minor Periods

10:15 PM - 11:45 PM
9:18 AM - 10:48 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Partly Cloudy
2.5°F
-16.1°F
-7.9°F
70%
0 in
0%
0%
8.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.07 μg/m3
PM10: 3.19 μg/m3
Carbon Monoxide: 193.77 μg/m3
Nitrogen Dioxide: 5.01 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 58.6 μg/m3

Astronomical

Sunrise: 7:41 AM
Sun Transit: 12:19 AM
Sunset: 4:59 PM
Daylight: 9 hrs 18 mins
Moonrise: 10:06 AM
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 AM
4:25 PM - 6:55 PM

Minor Periods

12:00 AM - 12:00 AM
9:36 AM - 11:06 AM

Action Rating: 2 out of 5

Sunday, January 25, 2026

Weather Forecast

Light snow
7.8°F
-13.8°F
-0°F
86%
0.03 in
64%
45%
9.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 5.25 μg/m3
PM10: 5.42 μg/m3
Carbon Monoxide: 240.88 μg/m3
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 3.36 μg/m3
Ozone: 57.48 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

Mist
11.1°F
-17.1°F
-4.8°F
89%
0.02 in
87%
7%
15.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 8.8 μg/m3
Carbon Monoxide: 243.95 μg/m3
Nitrogen Dioxide: 14.06 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 46.31 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

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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