Water Temperature of Lake Superior in Superior, WI

Current Water Temperature

52.1°F

Measurement Time: Monday, October 16, 2023, 10:15 AM CDT

Temperature Locations

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Local Points of Interest

Lake Superior Estuarium; Lake Superior National Estuarine Research Reserve (NERR); Barkers Island Beach; Duluth, MN

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Lake Superior

Station Name: Superior
Data Source: USGS

Elevation Above Sea Level: 587 feet / 179 meters

Nearest Address:
182 Marina Dr
Superior, WI 54880
Douglas County

GPS Coordinates: 46.7217, -92.0635

Nearby Water Temperatures

Duluth Harbor, Duluth, MN (4.0 mi)
Lake Superior, Duluth, MN (10.9 mi)
Lake Superior, Duluth, MN (11.5 mi)
Lake Superior, Duluth, MN (12.8 mi)
St. Louis River, Scanlon, MN (16.9 mi)
Knife River, Knife River, MN (20.2 mi)
Bois Brule River, Maple, WI (21.9 mi)
Lake Superior, Two Harbors, MN (27.8 mi)
St. Croix River, Danbury, WI (45.5 mi)
Namekagon River, Cable, WI (51.6 mi)
Saint Louis River, Hoyt Lakes, MN (52.5 mi)
Chequamegon Bay, Ashland, WI (56.9 mi)
Baptism River, Illgen City, MN (58.9 mi)
Partrige River, Babbitt, MN (62.4 mi)
Dunka River, Babbitt, MN (66.0 mi)

Weather for Superior, Wisconsin

Current Weather

61.2°F
Mist
Conditions: Mist
Humidity: 99%
Feels Like: 61.2°F
Wind: NNE 4.7 mph
Wind Gusts: 9.7 mph
Pressure: 30.15 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 1 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Wed
H: 78°F
L: 58°F
Fog
Thu
H: 76°F
L: 53°F
Patchy rain nearby
Fri
H: 81°F
L: 68°F
Patchy rain nearby
Sat
H: 65°F
L: 60°F
Patchy rain nearby
Sun
H: 55°F
L: 49°F

Air Quality

PM2.5: 5.18 μg/m3
PM10: 5.18 μg/m3
Carbon Monoxide: 316.35 μg/m3
Nitrogen Dioxide: 3.89 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:11 PM
Sunset: 8:09 PM
Daylight: 13 hrs 56 mins
Moonrise: 2:43 AM
Moon Transit: 11:06 AM
Moonset: 7:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:36 AM - 1:06 PM

Minor Periods

6:45 PM - 8:15 PM
2:13 AM - 3:43 AM

Action Rating: 3 out of 5

Special Weather Statement issued August 20 at 1:00AM CDT by NWS Duluth MN

Effective: Wed August 20, 2025, 1:00 AM
Expires: Wed August 20, 2025, 3:00 AM

Areas of locally dense fog will affect areas near the I-35 corridor this morning. Visibilities of 1/2 to 1/4 mile have already been observed, which should persist for a couple of hours. If traveling early this morning, reduce your speed and use low- beam headlights when encountering foggy areas. A Dense Fog Advisory may be needed. Keep updated on the latest forecast for fog development trends.


Special Weather Statement issued August 20 at 1:00AM CDT by NWS Duluth MN

Effective: Wed August 20, 2025, 1:00 AM
Expires: Wed August 20, 2025, 3:00 AM

Areas of locally dense fog will affect areas near the I-35 corridor this morning. Visibilities of 1/2 to 1/4 mile have already been observed, which should persist for a couple of hours. If traveling early this morning, reduce your speed and use low- beam headlights when encountering foggy areas. A Dense Fog Advisory may be needed. Keep updated on the latest forecast for fog development trends.


Wednesday, August 20, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 66.2°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 6 mph
UV Index: 1.8

Air Quality

AQI: 1 - Good
PM2.5: 5.51 μg/m3
PM10: 5.6 μg/m3
Carbon Monoxide: 296.44 μg/m3
Nitrogen Dioxide: 4.14 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 80.2 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:11 PM
Sunset: 8:09 PM
Daylight: 13 hrs 56 mins
Moonrise: 2:43 AM
Moon Transit: 11:06 AM
Moonset: 7:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:36 AM - 1:06 PM

Minor Periods

6:45 PM - 8:15 PM
2:13 AM - 3:43 AM

Action Rating: 3 out of 5

Thursday, August 21, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 64.4°F
Average Humidity: 85%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 4.38 μg/m3
PM10: 4.57 μg/m3
Carbon Monoxide: 304.21 μg/m3
Nitrogen Dioxide: 3.72 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 80.08 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:11 PM
Sunset: 8:07 PM
Daylight: 13 hrs 53 mins
Moonrise: 4:01 AM
Moon Transit: 12:00 AM
Moonset: 7:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:30 AM - 2:00 PM

Minor Periods

7:13 PM - 8:43 PM
3:31 AM - 5:01 AM

Action Rating: 2 out of 5

Friday, August 22, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 72.1°F
Average Humidity: 78%
Chance of Rain: 89%
Wind: 13.2 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 6.49 μg/m3
PM10: 6.72 μg/m3
Carbon Monoxide: 290.23 μg/m3
Nitrogen Dioxide: 6.93 μg/m3
Sulphur Dioxide: 2.71 μg/m3
Ozone: 84.64 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:11 PM
Sunset: 8:06 PM
Daylight: 13 hrs 50 mins
Moonrise: 5:19 AM
Moon Transit: 12:50 AM
Moonset: 8:05 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:20 AM - 2:50 PM

Minor Periods

7:35 PM - 9:05 PM
4:49 AM - 6:19 AM

Action Rating: 4 out of 5

Saturday, August 23, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 63°F
Average Humidity: 66%
Chance of Rain: 86%
Wind: 17 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 4.23 μg/m3
Carbon Monoxide: 280.35 μg/m3
Nitrogen Dioxide: 6.16 μg/m3
Sulphur Dioxide: 2.73 μg/m3
Ozone: 67.54 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:10 PM
Sunset: 8:04 PM
Daylight: 13 hrs 47 mins
Moonrise: 6:34 AM
Moon Transit: 1:35 PM
Moonset: 8:22 PM
Moon Phase: New
Moon Illumination: 1.4%

Best Times for Fishing or Hunting

Major Periods

12:26 AM - 2:56 AM
1:05 PM - 3:35 PM

Minor Periods

7:52 PM - 9:22 PM
6:04 AM - 7:34 AM

Action Rating: 5 out of 5

Sunday, August 24, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 54.8°F
Average Humidity: 83%
Chance of Rain: 89%
Wind: 16.3 mph
UV Index: 0

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: 6:18 AM
Sun Transit: 1:10 PM
Sunset: 8:02 PM
Daylight: 13 hrs 44 mins
Moonrise: 7:45 AM
Moon Transit: 2:18 PM
Moonset: 8:38 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
1:48 PM - 4:18 PM

Minor Periods

8:08 PM - 9:38 PM
7:15 AM - 8:45 AM

Action Rating: 4 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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