Water Temperature of Lake Superior Near Duluth, MN

Current Water Temperature

47.7°F

Measurement Time: Friday, June 13, 2025, 2:30 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

46.6°F
Light rain
Conditions: Light rain
Humidity: 93%
Feels Like: 41.1°F
Wind: ENE 11.9 mph
Wind Gusts: 20.1 mph
Pressure: 30.16 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Fri
H: 50°F
L: 46°F
Patchy rain nearby
Sat
H: 50°F
L: 46°F
Fog
Sun
H: 61°F
L: 46°F
Patchy rain nearby
Mon
H: 78°F
L: 49°F
Overcast
Tue
H: 58°F
L: 49°F

Air Quality

PM2.5: 3.7 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 297.85 μg/m3
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:07 PM
Sunset: 9:03 PM
Daylight: 15 hrs 50 mins
Moonrise: 11:34 PM
Moon Transit: 2:49 AM
Moonset: 6:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
2:31 PM - 5:01 PM

Minor Periods

12:00 AM - 12:00 AM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Friday, June 13, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 47.8°F
Average Humidity: 91%
Chance of Rain: 86%
Wind: 13.9 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 3.63 μg/m3
Carbon Monoxide: 310.21 μg/m3
Nitrogen Dioxide: 2.41 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 66.76 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:07 PM
Sunset: 9:03 PM
Daylight: 15 hrs 50 mins
Moonrise: 11:34 PM
Moon Transit: 2:49 AM
Moonset: 6:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
2:31 PM - 5:01 PM

Minor Periods

12:00 AM - 12:00 AM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Saturday, June 14, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 47.8°F
Average Humidity: 96%
Chance of Rain: 86%
Wind: 10.7 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 3.38 μg/m3
PM10: 3.56 μg/m3
Carbon Monoxide: 245.16 μg/m3
Nitrogen Dioxide: 1.88 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 64.28 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:07 PM
Sunset: 9:03 PM
Daylight: 15 hrs 51 mins
Moonrise: 12:34 AM
Moon Transit: 3:42 AM
Moonset: 7:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

3:12 AM - 5:42 AM
3:23 PM - 5:53 PM

Minor Periods

7:29 AM - 8:59 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 15, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 51.3°F
Average Humidity: 91%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 7.75 μg/m3
PM10: 8.16 μg/m3
Carbon Monoxide: 270.47 μg/m3
Nitrogen Dioxide: 4.1 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 68.16 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:07 PM
Sunset: 9:04 PM
Daylight: 15 hrs 51 mins
Moonrise: 12:03 AM
Moon Transit: 4:33 AM
Moonset: 9:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

4:03 AM - 6:33 AM
4:13 PM - 6:43 PM

Minor Periods

8:44 AM - 10:14 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, June 16, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 65.6°F
Average Humidity: 84%
Chance of Rain: 87%
Wind: 9.8 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 22.39 μg/m3
PM10: 22.94 μg/m3
Carbon Monoxide: 405.58 μg/m3
Nitrogen Dioxide: 18.49 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 48 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:08 PM
Sunset: 9:04 PM
Daylight: 15 hrs 52 mins
Moonrise: 12:26 AM
Moon Transit: 5:22 AM
Moonset: 10:31 AM
Moon Phase: Waning Gibbous
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

4:52 AM - 7:22 AM
5:00 PM - 7:30 PM

Minor Periods

10:01 AM - 11:31 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, June 17, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 52.9°F
Average Humidity: 94%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 0.1

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:08 PM
Sunset: 9:04 PM
Daylight: 15 hrs 52 mins
Moonrise: 12:45 AM
Moon Transit: 6:09 AM
Moonset: 11:46 AM
Moon Phase: Last Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
5:47 PM - 8:17 PM

Minor Periods

11:16 AM - 12:46 AM
12:15 AM - 1:45 AM

Action Rating: 3 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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