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

30.4°F
Freezing fog
Conditions: Freezing fog
Humidity: 100%
Feels Like: 17.9°F
Wind: N 19.9 mph
Wind Gusts: 25.1 mph
Pressure: 29.71 in
Precipitation: 0.06 in
Cloud Cover: 100%
Visibility: 0 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Tue
H: 43°F
L: 32°F
Moderate or heavy snow showers
Wed
H: 31°F
L: 22°F
Partly Cloudy
Thu
H: 30°F
L: 21°F
Partly Cloudy
Fri
H: 29°F
L: 17°F
Moderate snow
Sat
H: 27°F
L: 21°F

Air Quality

AQI: 1 - Good
PM2.5: 0.95 μg/m3
PM10: 0.95 μg/m3
Carbon Monoxide: 161.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 11:54 AM
Sunset: 4:25 PM
Daylight: 9 hrs mins
Moonrise: 12:02 AM
Moon Transit: 4:25 PM
Moonset: 8:57 PM
Moon Phase: Waxing Crescent
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
3:55 PM - 6:25 PM

Minor Periods

8:27 PM - 9:57 PM
11:32 AM - 1:02 PM

Action Rating: 3 out of 5

Blizzard Warning issued November 25 at 2:06PM CST until November 27 at 12:00AM CST by NWS Duluth MN

Effective: Tue November 25, 2025, 2:06 PM
Expires: Wed November 26, 2025, 2:15 AM

* WHAT...Blizzard conditions expected. Total snow accumulations between 8 and 14 inches except between 12 and 16 inches for northern Bayfield County. Winds gusting as high as 40 mph. * WHERE...Bayfield and Douglas Counties. This includes the Tribal Lands of the Red Cliff Band. Other locations including the Apostle Islands National Lakeshore. * WHEN...From 6 PM this evening to midnight CST Wednesday Night. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Wednesday morning and evening commutes. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the warned area. Areas near Lake Superior, including the city of Superior, will receive less snow and may not see blizzard conditions. Blustery winds gusting up to 40 mph may result in areas of blowing and drifting snow.

Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. Call 511 or visit www.511wi.gov for Wisconsin road information.


Winter Storm Warning issued November 25 at 3:09AM CST until November 27 at 12:00AM CST by NWS Duluth MN

Effective: Tue November 25, 2025, 3:09 AM
Expires: Tue November 25, 2025, 6:00 PM

* WHAT...Heavy snow expected. Total snow accumulations between 9 and 18 inches except between 12 and 20 inches for northern Bayfield County. Winds gusting as high as 35 mph. * WHERE...Bayfield and Douglas Counties. This includes the Tribal Lands of the Red Cliff Band. Other locations including the Apostle Islands National Lakeshore. * WHEN...From 6 PM this evening to midnight CST Wednesday Night. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult to impossible. The hazardous conditions could impact the Wednesday morning and evening commutes. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the watch area. Blustery winds gusting up to 35 mph may result in areas of blowing and drifting snow.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit www.511wi.gov for Wisconsin road information.


Winter Storm Warning issued November 25 at 2:06PM CST until November 27 at 12:00AM CST by NWS Duluth MN

Effective: Tue November 25, 2025, 2:06 PM
Expires: Wed November 26, 2025, 2:15 AM

* WHAT...Heavy snow expected. Total snow accumulations between 4 and 9 inches for Carlton and St. Louis counties, and between 6 and 11 inches for Lake and Cook counties. Winds gusting as high as 45 mph. * WHERE...Carlton, South and Central St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Bois Forte Band, Lake Vermilion area, the Fond du Lac Band and the Grand Portage Reservation. This also includes the Boundary Waters eastern and central area. * WHEN...Until midnight CST Wednesday Night. * IMPACTS...Visibilities may drop below 1 mile due to falling and blowing snow. Travel could be very difficult. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the warning area. Snow totals will be less near Lake Superior. Blustery winds gusting up to 35 mph may result in areas of blowing and drifting snow.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit www.511mn.org for Minnesota road information.


Winter Storm Warning issued November 25 at 3:09AM CST until November 27 at 12:00AM CST by NWS Duluth MN

Effective: Tue November 25, 2025, 3:09 AM
Expires: Tue November 25, 2025, 6:00 PM

* WHAT...Heavy snow expected. Total snow accumulations between 4 and 9 inches for Carlton and St. Louis counties, and between 6 and 11 inches for Lake and Cook counties. Winds gusting as high as 40 mph. * WHERE...Carlton, St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Fond du Lac Band and the Bois Forte Band, Nett Lake and, Lake Vermilion areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...From noon today to midnight CST Wednesday Night. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. * ADDITIONAL DETAILS...A corridor of locally higher snowfall amounts are possible somewhere in the warning area. Snow totals will be less near Lake Superior. Blustery winds gusting up to 35 mph may result in areas of blowing and drifting snow.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit www.511mn.org for Minnesota road information.


Tuesday, November 25, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 39°F
Average Humidity: 80%
Chance of Rain: 87%
Wind: 21.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 4.04 μg/m3
Carbon Monoxide: 196.89 μg/m3
Nitrogen Dioxide: 4.8 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 58.28 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 11:54 AM
Sunset: 4:25 PM
Daylight: 9 hrs mins
Moonrise: 12:02 AM
Moon Transit: 4:25 PM
Moonset: 8:57 PM
Moon Phase: Waxing Crescent
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
3:55 PM - 6:25 PM

Minor Periods

8:27 PM - 9:57 PM
11:32 AM - 1:02 PM

Action Rating: 3 out of 5

Wednesday, November 26, 2025

Weather Forecast

Conditions: Moderate or heavy snow showers
Average Temperature: 27.2°F
Average Humidity: 76%
Chance of Rain: 61%
Wind: 23.5 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.26 μg/m3
PM10: 1.34 μg/m3
Carbon Monoxide: 160.89 μg/m3
Nitrogen Dioxide: 1.61 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 74.2 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 11:55 AM
Sunset: 4:24 PM
Daylight: 8 hrs 58 mins
Moonrise: 12:26 AM
Moon Transit: 5:12 PM
Moonset: 10:09 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

4:02 AM - 6:32 AM
4:42 PM - 7:12 PM

Minor Periods

9:39 PM - 11:09 PM
11:56 AM - 1:26 PM

Action Rating: 3 out of 5

Thursday, November 27, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 24.5°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 1.15 μg/m3
PM10: 1.16 μg/m3
Carbon Monoxide: 157.09 μg/m3
Nitrogen Dioxide: 1.77 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 76.64 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 11:55 AM
Sunset: 4:23 PM
Daylight: 8 hrs 56 mins
Moonrise: 12:46 AM
Moon Transit: 5:58 PM
Moonset: 11:23 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

4:49 AM - 7:19 AM
5:28 PM - 7:58 PM

Minor Periods

12:00 AM - 12:00 AM
12:16 AM - 1:46 PM

Action Rating: 3 out of 5

Friday, November 28, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 21.8°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 2.04 μg/m3
PM10: 2.05 μg/m3
Carbon Monoxide: 164.85 μg/m3
Nitrogen Dioxide: 3.34 μg/m3
Sulphur Dioxide: 2.14 μg/m3
Ozone: 73.68 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 11:55 AM
Sunset: 4:23 PM
Daylight: 8 hrs 54 mins
Moonrise: 1:03 PM
Moon Transit: 6:43 PM
Moonset: 12:23 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
6:13 PM - 8:43 PM

Minor Periods

12:33 AM - 2:03 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, November 29, 2025

Weather Forecast

Conditions: Moderate snow
Average Temperature: 23.7°F
Average Humidity: 93%
Chance of Rain: 81%
Wind: 11 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.61 μg/m3
PM10: 2.63 μg/m3
Carbon Monoxide: 173.54 μg/m3
Nitrogen Dioxide: 3.83 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 77.23 μg/m3

Astronomical

Sunrise: 7:30 AM
Sun Transit: 11:56 AM
Sunset: 4:22 PM
Daylight: 8 hrs 52 mins
Moonrise: 1:20 PM
Moon Transit: 8:12 PM
Moonset: 12:38 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

6:20 AM - 8:50 AM
7:42 PM - 10:12 PM

Minor Periods

12:50 AM - 2:20 PM
12:08 AM - 1:38 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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