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

17.8°F
Sunny
Sunny
4.4°F
15.4°F
48%
NW 12.8 mph
14.9 mph
-2.9°F
10°F
0 in
0%
9 mi
1023 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 16°F
L: 8°F
Moderate or heavy snow showers
Thu
H: 16°F
L: 5°F
Light freezing rain
Fri
H: 27°F
L: 4°F
Patchy moderate snow
Sat
H: 12°F
L: -7°F
Light snow
Sun
H: 12°F
L: -12°F

Air Quality

AQI: 1 - Good
PM2.5: 1.85 μg/m3
PM10: 1.95 μg/m3
Carbon Monoxide: 160.85 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:17 AM
Sunset: 4:45 PM
Daylight: 8 hrs 56 mins
Moonrise: 4:51 AM
Moon Transit: 8:50 AM
Moonset: 12:46 AM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:20 AM - 10:50 AM
8:30 PM - 11:00 PM

Minor Periods

12:16 AM - 1:46 PM
4:21 AM - 5:51 AM

Action Rating: 2 out of 5

Wednesday, January 14, 2026

Weather Forecast

Sunny
15.8°F
7.5°F
12.4°F
69%
0 in
0%
3%
16.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.34 μg/m3
PM10: 1.43 μg/m3
Carbon Monoxide: 165.13 μg/m3
Nitrogen Dioxide: 1.89 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 75.64 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:17 AM
Sunset: 4:45 PM
Daylight: 8 hrs 56 mins
Moonrise: 4:51 AM
Moon Transit: 8:50 AM
Moonset: 12:46 AM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:20 AM - 10:50 AM
8:30 PM - 11:00 PM

Minor Periods

12:16 AM - 1:46 PM
4:21 AM - 5:51 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Moderate or heavy snow showers
15.9°F
4.6°F
10.4°F
80%
0.26 in
74%
18%
12.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.02 μg/m3
PM10: 3.29 μg/m3
Carbon Monoxide: 180.89 μg/m3
Nitrogen Dioxide: 5.36 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 67.44 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:17 AM
Sunset: 4:47 PM
Daylight: 8 hrs 58 mins
Moonrise: 5:53 AM
Moon Transit: 9:41 AM
Moonset: 1:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

9:21 PM - 11:51 PM
9:11 AM - 11:41 AM

Minor Periods

12:59 AM - 2:29 PM
5:23 AM - 6:53 AM

Action Rating: 2 out of 5

Friday, January 16, 2026

Weather Forecast

Light freezing rain
26.6°F
4.1°F
20.5°F
81%
0.01 in
64%
10%
17 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.12 μg/m3
PM10: 2.27 μg/m3
Carbon Monoxide: 163.41 μg/m3
Nitrogen Dioxide: 3.79 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 70.32 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 12:17 AM
Sunset: 4:48 PM
Daylight: 9 hrs mins
Moonrise: 6:47 AM
Moon Transit: 10:34 AM
Moonset: 2:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:04 AM - 12:34 AM

Minor Periods

1:53 PM - 3:23 PM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Saturday, January 17, 2026

Weather Forecast

Patchy moderate snow
11.5°F
-7°F
5.5°F
83%
0.03 in
80%
39%
15 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.36 μg/m3
PM10: 1.41 μg/m3
Carbon Monoxide: 152.24 μg/m3
Nitrogen Dioxide: 1.99 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 64.88 μg/m3

Astronomical

Sunrise: 7:47 AM
Sun Transit: 12:18 AM
Sunset: 4:49 PM
Daylight: 9 hrs 2 mins
Moonrise: 7:32 AM
Moon Transit: 11:26 AM
Moonset: 3:26 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:56 AM - 1:26 PM

Minor Periods

2:56 PM - 4:26 PM
7:02 AM - 8:32 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Light snow
12.3°F
-11.6°F
-2.2°F
87%
0.01 in
62%
16%
10.1 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 1.95 μg/m3
PM10: 2.01 μg/m3
Carbon Monoxide: 170.76 μg/m3
Nitrogen Dioxide: 3.82 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 63.54 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 12:18 AM
Sunset: 4:51 PM
Daylight: 9 hrs 4 mins
Moonrise: 8:07 AM
Moon Transit: 12:18 AM
Moonset: 4:37 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:48 AM - 2:18 PM

Minor Periods

4:07 PM - 5:37 PM
7:37 AM - 9:07 AM

Action Rating: 4 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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