Water Temperature of Lake Superior Near Duluth, MN

Current Water Temperature

66.2°F

Measurement Time: Friday, August 9, 2024, 4:50 AM CDT

Temperature Locations

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Lake Superior

Station Name: Western Lake Superior
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 587 feet / 179 meters

Nearest Address:
Offshore
Duluth, MN 55804
St. Louis County

GPS Coordinates: 46.814, -91.829

Nearby Water Temperatures

Lake Superior, Duluth, MN (5.7 mi)
Lake Superior, Duluth, MN (7.0 mi)
Knife River, Knife River, MN (9.3 mi)
Duluth Harbor, Duluth, MN (12.7 mi)
Lake Superior, Superior, WI (12.8 mi)
Bois Brule River, Maple, WI (13.1 mi)
Lake Superior, Two Harbors, MN (16.1 mi)
St. Louis River, Scanlon, MN (28.9 mi)
Baptism River, Illgen City, MN (46.7 mi)
Saint Louis River, Hoyt Lakes, MN (47.1 mi)
Chequamegon Bay, Ashland, WI (47.2 mi)
Namekagon River, Cable, WI (50.4 mi)
St. Croix River, Danbury, WI (54.7 mi)
Partrige River, Babbitt, MN (55.8 mi)
Bad River, Ashland, WI (58.3 mi)

Weather Near Duluth, Minnesota

Current Weather

48.4°F
Sunny
Conditions: Sunny
Humidity: 43%
Feels Like: 48.7°F
Wind: ESE 2.2 mph
Wind Gusts: 3.4 mph
Pressure: 30.18 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0.2

Five Day Weather Forecast

Sunny
Sat
H: 50°F
L: 32°F
Partly Cloudy
Sun
H: 50°F
L: 36°F
Heavy rain
Mon
H: 45°F
L: 33°F
Overcast
Tue
H: 39°F
L: 34°F
Cloudy
Wed
H: 59°F
L: 35°F

Air Quality

AQI: 1 - Good
PM2.5: 5.74 μg/m3
PM10: 7.77 μg/m3
Carbon Monoxide: 316.35 μg/m3
Nitrogen Dioxide: 9.62 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:06 PM
Sunset: 8:02 PM
Daylight: 13 hrs 50 mins
Moonrise: 2:17 AM
Moon Transit: 6:04 AM
Moonset: 9:55 AM
Moon Phase: Last Quarter
Moon Illumination: 49.0%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
5:46 PM - 8:16 PM

Minor Periods

9:25 AM - 10:55 AM
1:47 AM - 3:17 AM

Action Rating: 3 out of 5

Saturday, April 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 40.5°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 1.43 μg/m3
PM10: 2.13 μg/m3
Carbon Monoxide: 311.91 μg/m3
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 77.36 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:06 PM
Sunset: 8:02 PM
Daylight: 13 hrs 50 mins
Moonrise: 2:17 AM
Moon Transit: 6:04 AM
Moonset: 9:55 AM
Moon Phase: Last Quarter
Moon Illumination: 49.0%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
5:46 PM - 8:16 PM

Minor Periods

9:25 AM - 10:55 AM
1:47 AM - 3:17 AM

Action Rating: 3 out of 5

Sunday, April 20, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 42.9°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 5.33 μg/m3
PM10: 7.11 μg/m3
Carbon Monoxide: 313.83 μg/m3
Nitrogen Dioxide: 4.6 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 73.84 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:06 PM
Sunset: 8:03 PM
Daylight: 13 hrs 53 mins
Moonrise: 2:58 AM
Moon Transit: 6:58 AM
Moonset: 11:05 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
6:39 PM - 9:09 PM

Minor Periods

10:35 AM - 12:05 AM
2:28 AM - 3:58 AM

Action Rating: 3 out of 5

Monday, April 21, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 38.9°F
Average Humidity: 85%
Chance of Rain: 89%
Wind: 12.3 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 2.72 μg/m3
PM10: 3.8 μg/m3
Carbon Monoxide: 299.77 μg/m3
Nitrogen Dioxide: 1.86 μg/m3
Sulphur Dioxide: 0.24 μg/m3
Ozone: 81.2 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:05 PM
Sunset: 8:04 PM
Daylight: 13 hrs 56 mins
Moonrise: 3:30 AM
Moon Transit: 7:51 AM
Moonset: 12:20 AM
Moon Phase: Last Quarter
Moon Illumination: 27.2%

Best Times for Fishing or Hunting

Major Periods

7:21 AM - 9:51 AM
7:31 PM - 10:01 PM

Minor Periods

11:50 AM - 1:20 PM
3:00 AM - 4:30 AM

Action Rating: 2 out of 5

Tuesday, April 22, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 37°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 14.3 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 4.69 μg/m3
PM10: 6.8 μg/m3
Carbon Monoxide: 289.64 μg/m3
Nitrogen Dioxide: 4.97 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 76.44 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:05 PM
Sunset: 8:06 PM
Daylight: 13 hrs 59 mins
Moonrise: 3:56 AM
Moon Transit: 8:42 AM
Moonset: 1:39 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
8:21 PM - 10:51 PM

Minor Periods

1:09 PM - 2:39 PM
3:26 AM - 4:56 AM

Action Rating: 3 out of 5

Wednesday, April 23, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 46.3°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 10.7 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 2.33 μg/m3
PM10: 3 μg/m3
Carbon Monoxide: 280.49 μg/m3
Nitrogen Dioxide: 2.04 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 92.69 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:05 PM
Sunset: 8:07 PM
Daylight: 14 hrs 2 mins
Moonrise: 4:18 AM
Moon Transit: 9:31 AM
Moonset: 2:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%

Best Times for Fishing or Hunting

Major Periods

9:11 PM - 11:41 PM
9:01 AM - 11:31 AM

Minor Periods

2:29 PM - 3:59 PM
3:48 AM - 5:18 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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