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

79.2°F
Partly cloudy
Partly cloudy
80.4°F
80.1°F
62%
SSW 12.1 mph
21.2 mph
78.8°F
59.5°F
0 in
75%
9 mi
1011 mbar
0.3

Five Day Weather Forecast

Sunny
Fri
H: 79°F
L: 58°F
Sunny
Sat
H: 92°F
L: 65°F
Sunny
Sun
H: 74°F
L: 60°F
Sunny
Mon
H: 73°F
L: 59°F
Sunny
Tue
H: 71°F
L: 57°F

Air Quality

AQI: 1 - Good
PM2.5: 9.4 μg/m3
PM10: 9.8 μg/m3
Carbon Monoxide: 131 μg/m3
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 111 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:14 PM
Sunset: 8:50 PM
Daylight: 15 hrs 11 mins
Moonrise: 5:43 PM
Moon Transit: 9:38 PM
Moonset: 12:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
9:08 PM - 11:38 PM

Minor Periods

5:13 PM - 6:43 PM
12:23 AM - 1:53 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 24 at 10:55AM CDT until July 25 at 4:00AM CDT by NWS Duluth MN

Effective: Fri July 24, 2026, 10:55 AM
Expires: Sat July 25, 2026, 4:00 AM

* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Silver Bay Harbor to Two Harbors MN, Two Harbors to Duluth MN and Duluth MN to Port Wing WI. * WHEN...From 3 PM this afternoon to 4 AM CDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Anyone operating a smaller vessel should avoid navigating in hazardous conditions.
Friday, July 24, 2026

Weather Forecast

Sunny
78.8°F
57.7°F
67°F
67%
0 in
5%
0%
16.8 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 7.35 μg/m3
PM10: 7.63 μg/m3
Carbon Monoxide: 140.29 μg/m3
Nitrogen Dioxide: 3.99 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 92.75 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:14 PM
Sunset: 8:50 PM
Daylight: 15 hrs 11 mins
Moonrise: 5:43 PM
Moon Transit: 9:38 PM
Moonset: 12:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
9:08 PM - 11:38 PM

Minor Periods

5:13 PM - 6:43 PM
12:23 AM - 1:53 AM

Action Rating: 3 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
91.9°F
64.9°F
75.9°F
61%
0.05 in
57%
0%
13.2 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 10.33 μg/m3
PM10: 10.72 μg/m3
Carbon Monoxide: 149.29 μg/m3
Nitrogen Dioxide: 5.18 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 108.46 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:14 PM
Sunset: 8:49 PM
Daylight: 15 hrs 9 mins
Moonrise: 6:41 PM
Moon Transit: 10:29 PM
Moonset: 1:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

9:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Minor Periods

6:11 PM - 7:41 PM
1:01 AM - 2:31 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Sunny
73.8°F
60.2°F
66.9°F
82%
0.12 in
67%
0%
11.2 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 10.39 μg/m3
PM10: 10.72 μg/m3
Carbon Monoxide: 160.75 μg/m3
Nitrogen Dioxide: 5.36 μg/m3
Sulphur Dioxide: 0.87 μg/m3
Ozone: 92.46 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:14 PM
Sunset: 8:48 PM
Daylight: 15 hrs 6 mins
Moonrise: 7:29 PM
Moon Transit: 11:21 PM
Moonset: 2:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

10:08 AM - 12:38 AM
12:00 AM - 12:00 AM

Minor Periods

6:59 PM - 8:29 PM
1:49 AM - 3:19 AM

Action Rating: 3 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
73.4°F
58.6°F
66.4°F
88%
0.04 in
59%
0%
8.9 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 3.8 μg/m3
PM10: 3.9 μg/m3
Carbon Monoxide: 147.8 μg/m3
Nitrogen Dioxide: 3.41 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 92.63 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:14 PM
Sunset: 8:46 PM
Daylight: 15 hrs 4 mins
Moonrise: 8:08 PM
Moon Transit: 12:00 AM
Moonset: 3:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:59 AM - 1:29 PM

Minor Periods

7:38 PM - 9:08 PM
2:46 AM - 4:16 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
71.2°F
56.7°F
63.5°F
84%
0 in
21%
0%
10.3 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 3.96 μg/m3
PM10: 4.01 μg/m3
Carbon Monoxide: 232.88 μg/m3
Nitrogen Dioxide: 6.71 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 63.5 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:14 PM
Sunset: 8:45 PM
Daylight: 15 hrs 1 mins
Moonrise: 8:39 PM
Moon Transit: 12:11 AM
Moonset: 4:21 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:49 AM - 2:19 PM

Minor Periods

8:09 PM - 9:39 PM
3:51 AM - 5:21 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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