Water Temperature of Lake Superior Near Duluth, MN
Current Water Temperature
Measurement Time: Friday, August 9, 2024, 4:50 AM CDT
Temperature Locations
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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

Humidity: 64%
Feels Like: 30.2°F
Wind: WSW 7.4 mph
Wind Gusts: 11.5 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0.1
Five Day Weather Forecast

Fri
H: 41°F
L: 19°F

Sat
H: 26°F
L: 17°F

Sun
H: 33°F
L: 26°F

Mon
H: 34°F
L: 25°F

Tue
H: 34°F
L: 20°F
Air Quality
Nitrogen Dioxide: 0.56 μg/m3
Sulphur Dioxide: 3.33 μg/m3
Ozone: 100 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:22 PM
Daylight: 12 hrs 14 mins
Moon Transit: 6:23 AM
Moonset: 10:10 AM
Moon Phase: Last Quarter
Moon Illumination: 43.0%
Best Times for Fishing or Hunting
Major Periods
5:53 AM - 8:23 AM6:05 PM - 8:35 PM
Minor Periods
9:40 AM - 11:10 AM2:05 AM - 3:35 AM
Action Rating: 2 out of 5
Winter Storm Watch issued March 21 at 2:28AM CDT until March 24 at 1:00AM CDT by NWS Duluth MN
Effective: Fri March 21, 2025, 2:28 AM
Expires: Fri March 21, 2025, 5:00 PM
* WHAT...Heavy snow possible. Total snow accumulations of 6 inches or more possible. * WHERE...Carlton, St. Louis Counties. This includes the Tribal Lands of the Fond du Lac Band and the Bois Forte Band, Nett Lake and, Lake Vermilion areas. Other locations including Voyageurs National Park. This also includes the Boundary Waters western area. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Travel could be very difficult.
Monitor the latest forecasts for updates on this situation.
Winter Storm Watch issued March 21 at 2:28AM CDT until March 24 at 1:00AM CDT by NWS Duluth MN
Effective: Fri March 21, 2025, 2:28 AM
Expires: Fri March 21, 2025, 5:00 PM
* WHAT...Heavy snow possible. Total snow accumulations of 6 inches or more possible. * WHERE...Carlton, St. Louis Counties. This includes the Tribal Lands of the Fond du Lac Band and the Bois Forte Band, Nett Lake and, Lake Vermilion areas. Other locations including Voyageurs National Park. This also includes the Boundary Waters western area. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Travel could be very difficult.
Monitor the latest forecasts for updates on this situation.
Winter Storm Watch issued March 21 at 2:28AM CDT until March 24 at 7:00AM CDT by NWS Duluth MN
Effective: Fri March 21, 2025, 2:28 AM
Expires: Fri March 21, 2025, 5:00 PM
* WHAT...Heavy snow possible. Total snow accumulations of 7 inches or greater possible. * WHERE... Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation. This also includes the Boundary Waters eastern and central area. * WHEN...From late Saturday night through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute.
Monitor the latest forecasts for updates on this situation.
Winter Storm Watch issued March 21 at 2:28AM CDT until March 24 at 7:00AM CDT by NWS Duluth MN
Effective: Fri March 21, 2025, 2:28 AM
Expires: Fri March 21, 2025, 5:00 PM
* WHAT...Heavy snow possible. Total snow accumulations of 7 inches or greater possible. * WHERE... Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation. This also includes the Boundary Waters eastern and central area. * WHEN...From late Saturday night through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute.
Monitor the latest forecasts for updates on this situation.
Weather Forecast
Average Temperature: 32.3°F
Average Humidity: 60%
Wind: 14.3 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 2.78 μg/m3
Sulphur Dioxide: 3.41 μg/m3
Ozone: 93.08 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:22 PM
Daylight: 12 hrs 14 mins
Moon Transit: 6:23 AM
Moonset: 10:10 AM
Moon Phase: Last Quarter
Moon Illumination: 43.0%
Best Times for Fishing or Hunting
Major Periods
5:53 AM - 8:23 AM6:05 PM - 8:35 PM
Minor Periods
9:40 AM - 11:10 AM2:05 AM - 3:35 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 21.9°F
Average Humidity: 50%
Wind: 12.5 mph
UV Index: 0.8
Air Quality
Nitrogen Dioxide: 0.57 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 80.6 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:23 PM
Daylight: 12 hrs 18 mins
Moon Transit: 7:17 AM
Moonset: 11:03 AM
Moon Phase: Last Quarter
Moon Illumination: 32.1%
Best Times for Fishing or Hunting
Major Periods
6:47 AM - 9:17 AM6:59 PM - 9:29 PM
Minor Periods
10:33 AM - 12:03 AM3:03 AM - 4:33 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 30.2°F
Average Humidity: 92%
Wind: 17.2 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 4.35 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 82.32 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:24 PM
Daylight: 12 hrs 21 mins
Moon Transit: 8:12 AM
Moonset: 12:08 AM
Moon Phase: Last Quarter
Moon Illumination: 22.0%
Best Times for Fishing or Hunting
Major Periods
7:42 AM - 10:12 AM7:55 PM - 10:25 PM
Minor Periods
11:38 AM - 1:08 PM3:52 AM - 5:22 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 29.6°F
Average Humidity: 87%
Wind: 13 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 84.76 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:26 PM
Daylight: 12 hrs 24 mins
Moon Transit: 9:07 AM
Moonset: 1:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.4%
Best Times for Fishing or Hunting
Major Periods
8:37 AM - 11:07 AM8:49 PM - 11:19 PM
Minor Periods
12:52 AM - 2:22 PM4:31 AM - 6:01 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 28°F
Average Humidity: 87%
Wind: 7.4 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 2.11 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 93.23 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:27 PM
Daylight: 12 hrs 27 mins
Moon Transit: 10:01 AM
Moonset: 2:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:31 AM - 12:01 AM
Minor Periods
2:13 PM - 3:43 PM5:01 AM - 6:31 AM
Action Rating: 3 out of 5