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

57.7°F
Overcast
Overcast
59°F
60.6°F
98%
ENE 2.2 mph
4 mph
60.6°F
60.3°F
0 in
100%
9 mi
1015 mbar
0.4

Five Day Weather Forecast

Sunny
Fri
H: 69°F
L: 55°F
Patchy rain nearby
Sat
H: 76°F
L: 55°F
Sunny
Sun
H: 88°F
L: 61°F
Sunny
Mon
H: 89°F
L: 70°F
Sunny
Tue
H: 81°F
L: 62°F

Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 114 μg/m3
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 1:13 PM
Sunset: 9:02 PM
Daylight: 15 hrs 37 mins
Moonrise: 1:16 AM
Moon Transit: 9:18 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:48 AM - 11:18 AM
9:02 PM - 11:32 PM

Minor Periods

5:08 PM - 6:38 PM
12:46 AM - 2:16 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued July 9 at 10:45PM EDT until July 10 at 11:00AM EDT by NWS Marquette MI

Effective: Thu July 9, 2026, 9:45 PM
Expires: Fri July 10, 2026, 9:45 AM

* WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM, Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park and Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border. * WHEN...Until 11 AM EDT /10 AM CDT/ Friday. * IMPACTS...Low visibility will make navigation difficult.

If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.


Dense Fog Advisory issued July 10 at 4:18AM EDT until July 10 at 11:00AM EDT by NWS Marquette MI

Effective: Fri July 10, 2026, 3:18 AM
Expires: Fri July 10, 2026, 10:00 AM

* WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Portions of Central, Eastern and Western Lake Superior. * WHEN...Until 11 AM EDT /10 AM CDT/ this morning. * IMPACTS...Low visibility will make navigation difficult.

If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.
Friday, July 10, 2026

Weather Forecast

Sunny
69.4°F
55°F
62.8°F
88%
0 in
20%
0%
8.1 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 3.82 μg/m3
PM10: 4.35 μg/m3
Carbon Monoxide: 125.29 μg/m3
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 70.42 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 1:13 PM
Sunset: 9:02 PM
Daylight: 15 hrs 37 mins
Moonrise: 1:16 AM
Moon Transit: 9:18 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:48 AM - 11:18 AM
9:02 PM - 11:32 PM

Minor Periods

5:08 PM - 6:38 PM
12:46 AM - 2:16 AM

Action Rating: 3 out of 5

Saturday, July 11, 2026

Weather Forecast

Patchy rain nearby
75.9°F
54.7°F
64.4°F
86%
0.1 in
70%
0%
6 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 7.48 μg/m3
PM10: 8.29 μg/m3
Carbon Monoxide: 142.46 μg/m3
Nitrogen Dioxide: 5.5 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 99.08 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 1:13 PM
Sunset: 9:01 PM
Daylight: 15 hrs 36 mins
Moonrise: 1:55 AM
Moon Transit: 10:21 AM
Moonset: 6:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:51 AM - 12:21 AM

Minor Periods

6:28 PM - 7:58 PM
1:25 AM - 2:55 AM

Action Rating: 2 out of 5

Sunday, July 12, 2026

Weather Forecast

Sunny
87.9°F
61.2°F
74.6°F
77%
0 in
17%
0%
11.6 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 5.5 μg/m3
PM10: 5.86 μg/m3
Carbon Monoxide: 136.21 μg/m3
Nitrogen Dioxide: 3.82 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 101.58 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 1:14 PM
Sunset: 9:01 PM
Daylight: 15 hrs 34 mins
Moonrise: 2:49 AM
Moon Transit: 11:27 AM
Moonset: 8:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:57 AM - 1:27 PM

Minor Periods

7:37 PM - 9:07 PM
2:19 AM - 3:49 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Sunny
88.5°F
70.3°F
78.9°F
67%
0 in
5%
0%
15.9 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 4.67 μg/m3
PM10: 4.91 μg/m3
Carbon Monoxide: 142.49 μg/m3
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 109.29 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:14 PM
Sunset: 9:00 PM
Daylight: 15 hrs 32 mins
Moonrise: 3:59 AM
Moon Transit: 12:34 AM
Moonset: 9:00 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:04 AM - 2:34 PM

Minor Periods

8:30 PM - 10:00 PM
3:29 AM - 4:59 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
81.3°F
61.7°F
70°F
69%
0.01 in
17%
0%
12.5 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.29 μg/m3
PM10: 3.4 μg/m3
Carbon Monoxide: 174.38 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 96.5 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:14 PM
Sunset: 8:59 PM
Daylight: 15 hrs 31 mins
Moonrise: 5:21 AM
Moon Transit: 1:38 PM
Moonset: 9:38 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
1:08 PM - 3:38 PM

Minor Periods

9:08 PM - 10:38 PM
4:51 AM - 6:21 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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