Water Temperature of Lake Superior in Superior, WI

Current Water Temperature

53.7°F

Measurement Time: Sunday, May 3, 2026, 7:15 PM 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

Lake Superior

Station Name: Superior
Data Source: USGS

Elevation Above Sea Level: 587 feet

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

GPS Coordinates: 46.7217, -92.0635

Nearby Water Temperatures

Duluth Harbor, Duluth, MN (4 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 mi)

Weather for Superior, Wisconsin

Current Weather

69.3°F

Conditions: Sunny

Feels Like: 69.4°F

Heat Index: 69.3°F

Humidity: 72%

Wind: NNE 5.4 mph

Wind Gusts: 8.3 mph

Wind Chill: 69.3°F

Dew Point: 59.9°F

Precipitation: 0 in

Cloud Cover: 0%

Visibility: 6 mi

Air Pressure: 1014 mbar

UV Index: 0.9

Five Day Weather Forecast

Sat
H: 73°F
L: 58°F

Sun
H: 68°F
L: 56°F

Mon
H: 80°F
L: 56°F

Tue
H: 82°F
L: 60°F

Wed
H: 67°F
L: 55°F

Air Quality

AQI: 1 - Good

PM2.5: 2.7 μg/m3

PM10: 2.7 μg/m3

Carbon Monoxide: 128 μg/m3
Nitrogen Dioxide: 2.2 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:14 PM
Sunset: 8:40 PM
Daylight: 14 hrs 51 mins

Moonrise: 9:57 PM
Moon Transit: 3:14 AM
Moonset: 9:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:44 AM - 5:14 AM
2:49 PM - 5:19 PM

Minor Periods

9:27 PM - 10:57 PM
8:31 AM - 10:01 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 31 at 9:47PM CDT until August 2 at 1:00AM CDT by NWS Duluth MN

Effective: Fri July 31, 2026, 9:47 PM
Expires: Sat August 1, 2026, 10:00 AM

* WHAT...East to northeast winds 10 to 15 knots gusting to 25 knots. Waves 2 to 3 ft expected. * WHERE...Two Harbors to Duluth MN, Duluth MN to Port Wing WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...From 1 PM Saturday to 1 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Anyone operating a smaller vessel should avoid navigating in hazardous conditions.

Small Craft Advisory issued August 1 at 2:31AM CDT until August 2 at 1:00AM CDT by NWS Duluth MN

Effective: Sat August 1, 2026, 2:31 AM
Expires: Sat August 1, 2026, 2:45 PM

* WHAT...East to northeast winds 10 to 15 knots gusting to 25 knots. Waves 2 to 3 ft expected. * WHERE...Two Harbors to Duluth MN, Duluth MN to Port Wing WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...From 1 PM this afternoon to 1 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Anyone operating a smaller vessel should avoid navigating in hazardous conditions.

Saturday, August 1, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 73°F

Low Temperature: 58.4°F

Average Temperature: 68.6°F

Average Humidity: 79%

Precipitation: 0 in

Chance of Rain: 9%

Chance of Snow: 0%

Maximum Wind: 13.2 mph

UV Index: 6.7

Air Quality

AQI: 1 - Good

PM2.5: 3.1 μg/m3

PM10: 3.15 μg/m3

Carbon Monoxide: 137.29 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 58.54 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:14 PM
Sunset: 8:40 PM
Daylight: 14 hrs 51 mins

Moonrise: 9:57 PM
Moon Transit: 3:14 AM
Moonset: 9:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:44 AM - 5:14 AM
2:49 PM - 5:19 PM

Minor Periods

9:27 PM - 10:57 PM
8:31 AM - 10:01 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 68.2°F

Low Temperature: 55.6°F

Average Temperature: 61.7°F

Average Humidity: 76%

Precipitation: 0 in

Chance of Rain: 8%

Chance of Snow: 0%

Maximum Wind: 13.4 mph

UV Index: 7.3

Air Quality

AQI: 1 - Good

PM2.5: 2.57 μg/m3

PM10: 2.77 μg/m3

Carbon Monoxide: 118.21 μg/m3
Nitrogen Dioxide: 1.58 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 63.5 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:14 PM
Sunset: 8:39 PM
Daylight: 14 hrs 49 mins

Moonrise: 10:13 PM
Moon Transit: 3:57 AM
Moonset: 10:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:27 AM - 5:57 AM
5:20 PM - 7:50 PM

Minor Periods

9:43 PM - 11:13 PM
9:42 AM - 11:12 AM

Action Rating: 3 out of 5

Monday, August 3, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 79.5°F

Low Temperature: 56.3°F

Average Temperature: 67°F

Average Humidity: 72%

Precipitation: 0 in

Chance of Rain: 7%

Chance of Snow: 0%

Maximum Wind: 7.6 mph

UV Index: 6.7

Air Quality

AQI: 1 - Good

PM2.5: 2.67 μg/m3

PM10: 2.79 μg/m3

Carbon Monoxide: 109.75 μg/m3
Nitrogen Dioxide: 2.71 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 67.71 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:14 PM
Sunset: 8:37 PM
Daylight: 14 hrs 46 mins

Moonrise: 10:31 PM
Moon Transit: 12:00 AM
Moonset: 11:25 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

10:01 PM - 11:31 PM
10:55 AM - 12:25 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 81.8°F

Low Temperature: 60°F

Average Temperature: 69.3°F

Average Humidity: 71%

Precipitation: 0.06 in

Chance of Rain: 57%

Chance of Snow: 0%

Maximum Wind: 15.9 mph

UV Index: 2.2

Air Quality

AQI: 1 - Good

PM2.5: 6.45 μg/m3

PM10: 6.6 μg/m3

Carbon Monoxide: 141.47 μg/m3
Nitrogen Dioxide: 5.53 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 86.08 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:14 PM
Sunset: 8:36 PM
Daylight: 14 hrs 44 mins

Moonrise: 10:51 PM
Moon Transit: 5:27 AM
Moonset: 12:40 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
5:04 PM - 7:34 PM

Minor Periods

10:21 PM - 11:51 PM
12:10 AM - 1:40 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 67.3°F

Low Temperature: 55.2°F

Average Temperature: 61.7°F

Average Humidity: 72%

Precipitation: 0.02 in

Chance of Rain: 36%

Chance of Snow: 0%

Maximum Wind: 8.3 mph

UV Index: 5

Air Quality

AQI: 1 - Good

PM2.5: 3.61 μg/m3

PM10: 3.64 μg/m3

Carbon Monoxide: 156.88 μg/m3
Nitrogen Dioxide: 4.39 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 52.25 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:14 PM
Sunset: 8:34 PM
Daylight: 14 hrs 41 mins

Moonrise: 11:16 PM
Moon Transit: 6:16 AM
Moonset: 1:59 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:46 AM - 8:16 AM
5:55 PM - 8:25 PM

Minor Periods

12:00 AM - 12:00 AM
1:29 PM - 2:59 PM

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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Water Temperature of Lake Superior in Superior, WI

Current Water Temperature

Temperature Locations

Local Points of Interest

Nearby Water Temperatures

Weather for Superior, Wisconsin

Current Weather

Five Day Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Small Craft Advisory issued July 31 at 9:47PM CDT until August 2 at 1:00AM CDT by NWS Duluth MN

Small Craft Advisory issued August 1 at 2:31AM CDT until August 2 at 1:00AM CDT by NWS Duluth MN

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Webcams Near Superior, WI

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