Water Temperature of Lake Superior Near Duluth, MN

Current Water Temperature

60.3°F

Measurement Time: Thursday, July 10, 2025, 6:20 PM CDT

Temperature Locations

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Local Points of Interest

McQuade Harbor; Lakewood, MN

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Lake Superior

Station Name: McQuade Harbor Nearshore, MN
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: 46.86, -91.93

Nearby Water Temperatures

Lake Superior, Duluth, MN (1.4 mi)
Lake Superior, Duluth, MN (5.7 mi)
Knife River, Knife River, MN (8.8 mi)
Duluth Harbor, Duluth, MN (9.6 mi)
Lake Superior, Superior, WI (11.5 mi)
Lake Superior, Two Harbors, MN (16.6 mi)
Bois Brule River, Maple, WI (18.8 mi)
St. Louis River, Scanlon, MN (25.5 mi)
Saint Louis River, Hoyt Lakes, MN (43.2 mi)
Baptism River, Illgen City, MN (47.6 mi)
Partrige River, Babbitt, MN (52.5 mi)
Chequamegon Bay, Ashland, WI (52.7 mi)
Namekagon River, Cable, WI (55.5 mi)
Dunka River, Babbitt, MN (55.8 mi)
St. Croix River, Danbury, WI (56.2 mi)

Weather Near Duluth, Minnesota

Current Weather

65.1°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 83%
Feels Like: 65.1°F
Wind: ESE 5.6 mph
Wind Gusts: 10.7 mph
Pressure: 29.85 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0.5

Five Day Weather Forecast

Mist
Thu
H: 72°F
L: 52°F
Patchy rain nearby
Fri
H: 74°F
L: 59°F
Moderate rain
Sat
H: 78°F
L: 63°F
Patchy rain nearby
Sun
H: 88°F
L: 60°F
Patchy rain nearby
Mon
H: 81°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 6.48 μg/m3
PM10: 6.66 μg/m3
Carbon Monoxide: 362.6 μg/m3
Nitrogen Dioxide: 5.74 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:13 PM
Sunset: 9:02 PM
Daylight: 15 hrs 38 mins
Moonrise: 9:34 PM
Moon Transit: 12:43 AM
Moonset: 4:36 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:13 AM - 2:43 AM
12:24 AM - 2:54 PM

Minor Periods

9:04 PM - 10:34 PM
4:06 AM - 5:36 AM

Action Rating: 5 out of 5

Thursday, July 10, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 60.6°F
Average Humidity: 90%
Chance of Rain: 0%
Wind: 6.5 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 8.68 μg/m3
PM10: 9 μg/m3
Carbon Monoxide: 335.15 μg/m3
Nitrogen Dioxide: 4.18 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 77.48 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:13 PM
Sunset: 9:02 PM
Daylight: 15 hrs 38 mins
Moonrise: 9:34 PM
Moon Transit: 12:43 AM
Moonset: 4:36 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:13 AM - 2:43 AM
12:24 AM - 2:54 PM

Minor Periods

9:04 PM - 10:34 PM
4:06 AM - 5:36 AM

Action Rating: 5 out of 5

Friday, July 11, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 65.1°F
Average Humidity: 92%
Chance of Rain: 81%
Wind: 7.8 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 8.33 μg/m3
PM10: 8.83 μg/m3
Carbon Monoxide: 369.56 μg/m3
Nitrogen Dioxide: 7.48 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 97.48 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 1:13 PM
Sunset: 9:01 PM
Daylight: 15 hrs 36 mins
Moonrise: 10:06 PM
Moon Transit: 1:37 AM
Moonset: 5:47 AM
Moon Phase: Full
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

1:07 AM - 3:37 AM
1:18 PM - 3:48 PM

Minor Periods

9:36 PM - 11:06 PM
5:17 AM - 6:47 AM

Action Rating: 4 out of 5

Saturday, July 12, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 69.5°F
Average Humidity: 72%
Chance of Rain: 83%
Wind: 11.2 mph
UV Index: 0.5

Air Quality

AQI: 2 - Moderate
PM2.5: 17.32 μg/m3
PM10: 17.71 μg/m3
Carbon Monoxide: 365.86 μg/m3
Nitrogen Dioxide: 11.37 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 99.76 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 1:13 PM
Sunset: 9:00 PM
Daylight: 15 hrs 35 mins
Moonrise: 10:31 PM
Moon Transit: 2:30 AM
Moonset: 7:03 AM
Moon Phase: Full
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

2:00 AM - 4:30 AM
2:09 PM - 4:39 PM

Minor Periods

10:01 PM - 11:31 PM
6:33 AM - 8:03 AM

Action Rating: 3 out of 5

Sunday, July 13, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 73.1°F
Average Humidity: 62%
Chance of Rain: 64%
Wind: 11.6 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 18.4 μg/m3
PM10: 18.6 μg/m3
Carbon Monoxide: 387.24 μg/m3
Nitrogen Dioxide: 7.56 μg/m3
Sulphur Dioxide: 3.59 μg/m3
Ozone: 95.12 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 1:13 PM
Sunset: 9:00 PM
Daylight: 15 hrs 33 mins
Moonrise: 10:52 PM
Moon Transit: 3:20 AM
Moonset: 8:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

2:50 AM - 5:20 AM
2:58 PM - 5:28 PM

Minor Periods

10:22 PM - 11:52 PM
7:50 AM - 9:20 AM

Action Rating: 3 out of 5

Monday, July 14, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 69.7°F
Average Humidity: 80%
Chance of Rain: 81%
Wind: 10.3 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 12.91 μg/m3
PM10: 13.32 μg/m3
Carbon Monoxide: 428.49 μg/m3
Nitrogen Dioxide: 12.49 μg/m3
Sulphur Dioxide: 3.27 μg/m3
Ozone: 83.46 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:13 PM
Sunset: 8:59 PM
Daylight: 15 hrs 31 mins
Moonrise: 11:09 PM
Moon Transit: 4:07 AM
Moonset: 9:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
3:45 PM - 6:15 PM

Minor Periods

12:00 AM - 12:00 AM
9:07 AM - 10:37 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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