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

72.1°F
Mist
Mist
76.4°F
66.4°F
61%
ENE 5.1 mph
9.9 mph
66.4°F
55.8°F
0 in
60%
0 mi
1021 mbar
1.1

Five Day Weather Forecast

Sunny
Wed
H: 73°F
L: 61°F
Sunny
Thu
H: 70°F
L: 60°F
Patchy rain nearby
Fri
H: 72°F
L: 58°F
Sunny
Sat
H: 86°F
L: 59°F
Sunny
Sun
H: 88°F
L: 57°F

Air Quality

AQI: 1 - Good
PM2.5: 9.3 μg/m3
PM10: 9.5 μg/m3
Carbon Monoxide: 131 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:14 PM
Sunset: 8:58 PM
Daylight: 15 hrs 29 mins
Moonrise: 6:49 AM
Moon Transit: 2:36 PM
Moonset: 10:07 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
2:06 PM - 4:36 PM

Minor Periods

9:37 PM - 11:07 PM
6:19 AM - 7:49 AM

Action Rating: 3 out of 5

Heat Advisory issued July 15 at 1:01AM CDT until July 15 at 9:00PM CDT by NWS Duluth MN

Effective: Wed July 15, 2026, 1:01 AM
Expires: Wed July 15, 2026, 4:15 PM

* WHAT...Heat index values of 90 F in southern parts of the County. * WHERE...Sawyer County. This includes the Tribal Lands of the Lac Courte Oreilles Reservation. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Wednesday, July 15, 2026

Weather Forecast

Sunny
73.4°F
61.3°F
68.1°F
67%
0 in
5%
0%
13 mph
4.7


Air Quality

AQI: 1 - Good
PM2.5: 8.68 μg/m3
PM10: 8.97 μg/m3
Carbon Monoxide: 121.92 μg/m3
Nitrogen Dioxide: 4.74 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 83.92 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:14 PM
Sunset: 8:58 PM
Daylight: 15 hrs 29 mins
Moonrise: 6:49 AM
Moon Transit: 2:36 PM
Moonset: 10:07 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
2:06 PM - 4:36 PM

Minor Periods

9:37 PM - 11:07 PM
6:19 AM - 7:49 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
70.4°F
59.5°F
64.4°F
76%
0.02 in
37%
0%
17.7 mph
5.8


Air Quality

AQI: 2 - Moderate
PM2.5: 23.57 μg/m3
PM10: 24.48 μg/m3
Carbon Monoxide: 135.08 μg/m3
Nitrogen Dioxide: 5.1 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 84.71 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 1:14 PM
Sunset: 8:58 PM
Daylight: 15 hrs 27 mins
Moonrise: 8:13 AM
Moon Transit: 3:29 PM
Moonset: 10:29 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

2:16 AM - 4:46 AM
2:59 PM - 5:29 PM

Minor Periods

9:59 PM - 11:29 PM
7:43 AM - 9:13 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Patchy rain nearby
72.2°F
57.9°F
63.2°F
95%
0.38 in
90%
0%
11.2 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 8.52 μg/m3
PM10: 8.71 μg/m3
Carbon Monoxide: 134.04 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 80.04 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 1:14 PM
Sunset: 8:57 PM
Daylight: 15 hrs 25 mins
Moonrise: 9:33 AM
Moon Transit: 4:18 PM
Moonset: 10:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

3:07 AM - 5:37 AM
3:48 PM - 6:18 PM

Minor Periods

10:18 PM - 11:48 PM
9:03 AM - 10:33 AM

Action Rating: 3 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
85.5°F
58.9°F
71.2°F
75%
0 in
11%
0%
8.3 mph
3.8


Air Quality

AQI: 1 - Good
PM2.5: 5.67 μg/m3
PM10: 5.8 μg/m3
Carbon Monoxide: 138.9 μg/m3
Nitrogen Dioxide: 3.5 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 85.38 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:14 PM
Sunset: 8:56 PM
Daylight: 15 hrs 23 mins
Moonrise: 10:49 AM
Moon Transit: 5:03 PM
Moonset: 11:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
4:33 PM - 7:03 PM

Minor Periods

12:00 AM - 12:00 AM
10:19 AM - 11:49 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
87.7°F
57.3°F
69.1°F
74%
0 in
9%
0%
9.2 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 5.43 μg/m3
PM10: 5.59 μg/m3
Carbon Monoxide: 185.5 μg/m3
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 0.86 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:14 PM
Sunset: 8:55 PM
Daylight: 15 hrs 21 mins
Moonrise: 12:01 AM
Moon Transit: 5:47 PM
Moonset: 12:05 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
5:17 PM - 7:47 PM

Minor Periods

11:31 AM - 1:01 PM
12:00 AM - 12:00 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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