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

1.6°F
Overcast
Overcast
-11.1°F
2.8°F
54%
NW 6.9 mph
10.7 mph
-10.5°F
-4.3°F
0 in
0%
9 mi
1027 mbar
0

Five Day Weather Forecast

Partly Cloudy
Sun
H: 4°F
L: -8°F
Overcast
Mon
H: 6°F
L: -17°F
Sunny
Tue
H: 12°F
L: -2°F
Partly Cloudy
Wed
H: 13°F
L: -7°F
Light freezing rain
Thu
H: 9°F
L: -11°F

Air Quality

AQI: 1 - Good
PM2.5: 9.15 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 195.85 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 58 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 25 at 1:18AM CST until January 26 at 12:00PM CST by NWS Duluth MN

Effective: Sun January 25, 2026, 1:18 AM
Expires: Sun January 25, 2026, 1:30 PM

* WHAT...Very cold wind chills as low as 40 degrees below zero in northeast Minnesota and as low as 35 degrees below zero in northwest Wisconsin. * WHERE...All of northeast Minnesota and northwest Wisconsin. * WHEN...Until Noon CST Monday. * IMPACTS...The dangerously cold wind chills of 30 to 40 degrees below zero could cause frostbite on exposed skin in as little as 10 minutes. Very cold temperatures can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...A temporary pause in the coldest wind chills will occur this afternoon, but quickly drop down again this evening.

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


Cold Weather Advisory issued January 25 at 9:30AM CST until January 26 at 12:00PM CST by NWS Duluth MN

Effective: Sun January 25, 2026, 9:30 AM
Expires: Sun January 25, 2026, 9:30 PM

* WHAT...Very cold wind chills as low as 40 degrees below zero in northeast Minnesota and as low as 35 degrees below zero in northwest Wisconsin. * WHERE...All of northeast Minnesota and northwest Wisconsin. * WHEN...Until Noon CST Monday. * IMPACTS...The dangerously cold wind chills of 30 to 40 degrees below zero could cause frostbite on exposed skin in as little as 10 minutes. Very cold temperatures can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...A temporary pause in the coldest wind chills will occur this afternoon, but quickly drop down again this evening.

Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Sunday, January 25, 2026

Weather Forecast

Partly Cloudy
3.9°F
-8.1°F
-2.8°F
69%
0 in
0%
0%
8.1 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

Overcast
5.7°F
-16.8°F
-3.4°F
72%
0 in
0%
0%
16.3 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
11.5°F
-2.2°F
3.8°F
68%
0 in
0%
0%
13.4 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: 5:04 PM
Daylight: 9 hrs 26 mins
Moonrise: 11:21 AM
Moon Transit: 7:36 PM
Moonset: 2:46 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

10:51 AM - 12:21 AM
2:16 AM - 3:46 AM

Action Rating: 2 out of 5

Wednesday, January 28, 2026

Weather Forecast

Partly Cloudy
13.1°F
-7.4°F
4.1°F
76%
0 in
0%
0%
9.2 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

Light freezing rain
9.1°F
-10.8°F
-1.5°F
88%
0.01 in
75%
36%
9.2 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: 12:21 AM
Sunset: 5:07 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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