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

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Lake Superior

Station Name: Lakewood Water Plant
Data Source: USGS

Elevation Above Sea Level: 614 feet / 187 meters

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 (7.0 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 (56.0 mi)
Namekagon River, Cable, WI (56.3 mi)

Weather for Duluth, Minnesota

Current Weather

44.8°F
Overcast
Conditions: Overcast
Humidity: 93%
Feels Like: 41.4°F
Wind: ENE 6 mph
Wind Gusts: 12.7 mph
Pressure: 29.56 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Fri
H: 51°F
L: 39°F
Sunny
Sat
H: 51°F
L: 34°F
Sunny
Sun
H: 44°F
L: 28°F
Sunny
Mon
H: 38°F
L: 28°F
Sunny
Tue
H: 37°F
L: 27°F

Air Quality

AQI: 1 - Good
PM2.5: 12.25 μg/m3
PM10: 12.35 μg/m3
Carbon Monoxide: 240.85 μg/m3
Nitrogen Dioxide: 10.25 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 50 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 11:52 AM
Sunset: 4:35 PM
Daylight: 9 hrs 25 mins
Moonrise: 1:22 AM
Moon Transit: 7:54 AM
Moonset: 2:14 PM
Moon Phase: Last Quarter
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

7:24 AM - 9:54 AM
7:28 PM - 9:58 PM

Minor Periods

1:44 PM - 3:14 PM
12:52 AM - 2:22 AM

Action Rating: 3 out of 5

Friday, November 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 44.1°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 4.06 μg/m3
PM10: 4.27 μg/m3
Carbon Monoxide: 240.33 μg/m3
Nitrogen Dioxide: 8.68 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 48.8 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 11:52 AM
Sunset: 4:35 PM
Daylight: 9 hrs 25 mins
Moonrise: 1:22 AM
Moon Transit: 7:54 AM
Moonset: 2:14 PM
Moon Phase: Last Quarter
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

7:24 AM - 9:54 AM
7:28 PM - 9:58 PM

Minor Periods

1:44 PM - 3:14 PM
12:52 AM - 2:22 AM

Action Rating: 3 out of 5

Saturday, November 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 44.5°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 14.5 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 7.07 μg/m3
PM10: 7.2 μg/m3
Carbon Monoxide: 190.21 μg/m3
Nitrogen Dioxide: 6.66 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 53.96 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 11:52 AM
Sunset: 4:33 PM
Daylight: 9 hrs 22 mins
Moonrise: 2:29 AM
Moon Transit: 8:34 AM
Moonset: 2:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

8:04 AM - 10:34 AM
8:08 PM - 10:38 PM

Minor Periods

1:58 PM - 3:28 PM
1:59 AM - 3:29 AM

Action Rating: 2 out of 5

Sunday, November 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 35°F
Average Humidity: 53%
Chance of Rain: 0%
Wind: 13.4 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 1.91 μg/m3
PM10: 2.07 μg/m3
Carbon Monoxide: 153.37 μg/m3
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 2.26 μg/m3
Ozone: 67.08 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 11:52 AM
Sunset: 4:32 PM
Daylight: 9 hrs 20 mins
Moonrise: 3:35 AM
Moon Transit: 9:14 AM
Moonset: 2:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

8:44 AM - 11:14 AM
8:48 PM - 11:18 PM

Minor Periods

2:13 PM - 3:43 PM
3:05 AM - 4:35 AM

Action Rating: 2 out of 5

Monday, November 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 32.4°F
Average Humidity: 49%
Chance of Rain: 0%
Wind: 6.5 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 2.26 μg/m3
PM10: 2.45 μg/m3
Carbon Monoxide: 152.13 μg/m3
Nitrogen Dioxide: 4.29 μg/m3
Sulphur Dioxide: 2.39 μg/m3
Ozone: 66.16 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:52 AM
Sunset: 4:31 PM
Daylight: 9 hrs 17 mins
Moonrise: 4:42 AM
Moon Transit: 9:55 AM
Moonset: 2:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

9:30 PM - 12:00 PM
9:25 AM - 11:55 AM

Minor Periods

2:29 PM - 3:59 PM
4:12 AM - 5:42 AM

Action Rating: 2 out of 5

Tuesday, November 18, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 31.5°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 4.9 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 2.03 μg/m3
PM10: 2.14 μg/m3
Carbon Monoxide: 159.93 μg/m3
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 72.23 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 11:53 AM
Sunset: 4:30 PM
Daylight: 9 hrs 15 mins
Moonrise: 5:49 AM
Moon Transit: 10:38 AM
Moonset: 3:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:08 AM - 12:38 AM

Minor Periods

2:48 PM - 4:18 PM
5:19 AM - 6:49 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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