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

73.9°F
Thundery outbreaks in nearby
Conditions: Thundery outbreaks in nearby
Humidity: 29%
Feels Like: 76.3°F
Wind: WSW 10.3 mph
Wind Gusts: 15.4 mph
Pressure: 29.98 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.1

Five Day Weather Forecast

Partly Cloudy
Wed
H: 72°F
L: 49°F
Patchy rain nearby
Thu
H: 70°F
L: 54°F
Overcast
Fri
H: 58°F
L: 51°F
Cloudy
Sat
H: 63°F
L: 43°F
Moderate rain
Sun
H: 59°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 20.54 μg/m3
PM10: 21.09 μg/m3
Carbon Monoxide: 279.35 μg/m3
Nitrogen Dioxide: 6.11 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 1:06 PM
Sunset: 8:58 PM
Daylight: 15 hrs 42 mins
Moonrise: 2:32 PM
Moon Transit: 8:32 PM
Moonset: 2:07 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
8:02 PM - 10:32 PM

Minor Periods

2:02 PM - 3:32 PM
1:37 AM - 3:07 AM

Action Rating: 2 out of 5

Special Weather Statement issued June 4 at 10:48AM CDT by NWS Duluth MN

Effective: Wed June 4, 2025, 10:48 AM
Expires: Wed June 4, 2025, 6:00 PM

Dry conditions and breezy west winds will lead to near-critical fire weather conditions for the Minnesota Arrowhead region today. West winds of 5 to 10 mph with gusts of 15 to 20 mph are forecast. Minimum relative humidity values of 20 to 30 percent are also expected, with some locations that have not experienced recent rainfall possibly seeing relative humidity values less than 20 percent. Together, these conditions could lead to the rapid spread of fires. Check burning restrictions and fire danger before burning. For more information on burning restrictions for Minnesota, see www.dnr.state.mn.us/forestry/fire/firerating_restrictions.html.


Special Weather Statement issued June 4 at 10:48AM CDT by NWS Duluth MN

Effective: Wed June 4, 2025, 10:48 AM
Expires: Wed June 4, 2025, 6:00 PM

Dry conditions and breezy west winds will lead to near-critical fire weather conditions for the Minnesota Arrowhead region today. West winds of 5 to 10 mph with gusts of 15 to 20 mph are forecast. Minimum relative humidity values of 20 to 30 percent are also expected, with some locations that have not experienced recent rainfall possibly seeing relative humidity values less than 20 percent. Together, these conditions could lead to the rapid spread of fires. Check burning restrictions and fire danger before burning. For more information on burning restrictions for Minnesota, see www.dnr.state.mn.us/forestry/fire/firerating_restrictions.html.


Wednesday, June 4, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 62.1°F
Average Humidity: 56%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 23.31 μg/m3
PM10: 23.84 μg/m3
Carbon Monoxide: 371.92 μg/m3
Nitrogen Dioxide: 3.29 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 79.68 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 1:06 PM
Sunset: 8:58 PM
Daylight: 15 hrs 42 mins
Moonrise: 2:32 PM
Moon Transit: 8:32 PM
Moonset: 2:07 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
8:02 PM - 10:32 PM

Minor Periods

2:02 PM - 3:32 PM
1:37 AM - 3:07 AM

Action Rating: 2 out of 5

Thursday, June 5, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 62.3°F
Average Humidity: 60%
Chance of Rain: 69%
Wind: 7.6 mph
UV Index: 1.6

Air Quality

AQI: 2 - Moderate
PM2.5: 22.21 μg/m3
PM10: 22.99 μg/m3
Carbon Monoxide: 259.52 μg/m3
Nitrogen Dioxide: 4.06 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 82.76 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 1:06 PM
Sunset: 8:58 PM
Daylight: 15 hrs 44 mins
Moonrise: 3:37 PM
Moon Transit: 9:12 PM
Moonset: 2:22 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

8:06 AM - 10:36 AM
8:42 PM - 11:12 PM

Minor Periods

3:07 PM - 4:37 PM
1:52 AM - 3:22 AM

Action Rating: 3 out of 5

Friday, June 6, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 56.2°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 0.7

Air Quality

AQI: 2 - Moderate
PM2.5: 25.69 μg/m3
PM10: 26.93 μg/m3
Carbon Monoxide: 269.66 μg/m3
Nitrogen Dioxide: 3.97 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 81.12 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:06 PM
Sunset: 8:59 PM
Daylight: 15 hrs 45 mins
Moonrise: 4:44 PM
Moon Transit: 9:52 PM
Moonset: 2:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
9:22 PM - 11:52 PM

Minor Periods

4:14 PM - 5:44 PM
2:06 AM - 3:36 AM

Action Rating: 3 out of 5

Saturday, June 7, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 52.5°F
Average Humidity: 85%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 20.76 μg/m3
PM10: 21.87 μg/m3
Carbon Monoxide: 317.76 μg/m3
Nitrogen Dioxide: 4.48 μg/m3
Sulphur Dioxide: 2.26 μg/m3
Ozone: 93.32 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:06 PM
Sunset: 9:00 PM
Daylight: 15 hrs 46 mins
Moonrise: 5:51 PM
Moon Transit: 10:35 PM
Moonset: 2:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

9:27 AM - 11:57 AM
12:00 AM - 12:00 AM

Minor Periods

5:21 PM - 6:51 PM
2:22 AM - 3:52 AM

Action Rating: 2 out of 5

Sunday, June 8, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 51.3°F
Average Humidity: 87%
Chance of Rain: 87%
Wind: 13.6 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 12.64 μg/m3
PM10: 13.23 μg/m3
Carbon Monoxide: 302.12 μg/m3
Nitrogen Dioxide: 4.4 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 96.54 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 1:07 PM
Sunset: 9:01 PM
Daylight: 15 hrs 47 mins
Moonrise: 6:59 PM
Moon Transit: 11:21 PM
Moonset: 3:12 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

10:11 AM - 12:41 AM
12:00 AM - 12:00 AM

Minor Periods

6:29 PM - 7:59 PM
2:42 AM - 4:12 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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