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

61.2°F
Clear
Clear
61.2°F
61.9°F
82%
NE 3.1 mph
6.6 mph
61.7°F
53.4°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 76°F
L: 49°F
Sunny
Fri
H: 70°F
L: 52°F
Partly Cloudy
Sat
H: 67°F
L: 51°F
Moderate rain
Sun
H: 59°F
L: 51°F
Patchy rain nearby
Mon
H: 72°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 3.6 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 138 μg/m3
Nitrogen Dioxide: 8 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:10 PM
Sunset: 9:06 PM
Daylight: 15 hrs 52 mins
Moonrise: 5:42 PM
Moon Transit: 10:04 PM
Moonset: 1:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

8:54 AM - 11:24 AM
12:00 AM - 12:00 AM

Minor Periods

5:12 PM - 6:42 PM
1:24 AM - 2:54 AM

Action Rating: 3 out of 5

Thursday, June 25, 2026

Weather Forecast

Partly Cloudy
75.7°F
49.1°F
61°F
77%
0 in
11%
0%
9.2 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 6.64 μg/m3
PM10: 6.95 μg/m3
Carbon Monoxide: 124.46 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 69.83 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:10 PM
Sunset: 9:06 PM
Daylight: 15 hrs 52 mins
Moonrise: 5:42 PM
Moon Transit: 10:04 PM
Moonset: 1:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

8:54 AM - 11:24 AM
12:00 AM - 12:00 AM

Minor Periods

5:12 PM - 6:42 PM
1:24 AM - 2:54 AM

Action Rating: 3 out of 5

Friday, June 26, 2026

Weather Forecast

Sunny
70.3°F
52.3°F
59.8°F
67%
0 in
6%
0%
7.8 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 2.52 μg/m3
PM10: 2.67 μg/m3
Carbon Monoxide: 110.63 μg/m3
Nitrogen Dioxide: 4.5 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 58.5 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 1:10 PM
Sunset: 9:06 PM
Daylight: 15 hrs 52 mins
Moonrise: 6:49 PM
Moon Transit: 10:52 PM
Moonset: 2:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

9:42 AM - 12:12 AM
12:00 AM - 12:00 AM

Minor Periods

6:19 PM - 7:49 PM
1:50 AM - 3:20 AM

Action Rating: 2 out of 5

Saturday, June 27, 2026

Weather Forecast

Partly Cloudy
66.9°F
50.6°F
58.5°F
76%
0 in
11%
0%
11.9 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 1.66 μg/m3
PM10: 1.73 μg/m3
Carbon Monoxide: 101.71 μg/m3
Nitrogen Dioxide: 2.17 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 63.83 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 1:11 PM
Sunset: 9:06 PM
Daylight: 15 hrs 51 mins
Moonrise: 7:51 PM
Moon Transit: 11:43 PM
Moonset: 2:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

10:31 AM - 1:01 PM
12:00 AM - 12:00 AM

Minor Periods

7:21 PM - 8:51 PM
2:22 AM - 3:52 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Moderate rain
58.6°F
50.7°F
55.3°F
96%
0.56 in
93%
0%
15.7 mph
4.1


Air Quality

AQI: 1 - Good
PM2.5: 2.23 μg/m3
PM10: 2.29 μg/m3
Carbon Monoxide: 102.42 μg/m3
Nitrogen Dioxide: 2.03 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 67.63 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 1:11 PM
Sunset: 9:06 PM
Daylight: 15 hrs 51 mins
Moonrise: 8:46 PM
Moon Transit: 12:00 AM
Moonset: 3:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:22 AM - 1:52 PM

Minor Periods

8:16 PM - 9:46 PM
3:03 AM - 4:33 AM

Action Rating: 2 out of 5

Monday, June 29, 2026

Weather Forecast

Patchy rain nearby
72.2°F
55.3°F
60.4°F
96%
0.01 in
55%
0%
11 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 2.98 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 138.48 μg/m3
Nitrogen Dioxide: 2.31 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 83.67 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 1:11 PM
Sunset: 9:06 PM
Daylight: 15 hrs 50 mins
Moonrise: 9:31 PM
Moon Transit: 12:34 AM
Moonset: 4:25 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
12:14 AM - 2:44 PM

Minor Periods

9:01 PM - 10:31 PM
3:55 AM - 5:25 AM

Action Rating: 5 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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