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

63.1°F
Light rain
Light rain
63.1°F
64.8°F
96%
NNE 8.5 mph
15.4 mph
64.8°F
61.3°F
0.01 in
100%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 69°F
L: 55°F
Sunny
Thu
H: 67°F
L: 53°F
Sunny
Fri
H: 72°F
L: 53°F
Sunny
Sat
H: 84°F
L: 57°F
Sunny
Sun
H: 88°F
L: 66°F

Air Quality

AQI: 1 - Good
PM2.5: 3.1 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 100 μg/m3
Nitrogen Dioxide: 2.5 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 1:13 PM
Sunset: 9:03 PM
Daylight: 15 hrs 40 mins
Moonrise: 12:25 AM
Moon Transit: 7:30 AM
Moonset: 2:53 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

7:00 AM - 9:30 AM
7:08 PM - 9:38 PM

Minor Periods

2:23 PM - 3:53 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Flood Watch issued July 8 at 1:06AM CDT until July 8 at 10:00AM CDT by NWS Duluth MN

Effective: Wed July 8, 2026, 1:06 AM
Expires: Wed July 8, 2026, 10:00 AM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...In Wisconsin, Burnett and Washburn Counties. This includes the Tribal Lands of the St. Croix Band in Burnett County. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - An area of thunderstorms tonight over the watch area will be capable of heavy rain. Several waves of storms may move over the same location. Rainfall across the watch area of 1-3 inches is expected with localized amounts of 2-4 inches possible. - Flood safety information can be found at www.weather.gov/safety/flood.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Wednesday, July 8, 2026

Weather Forecast

Sunny
68.8°F
54.7°F
63.9°F
89%
0.19 in
78%
0%
8.5 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 4.07 μg/m3
PM10: 4.54 μg/m3
Carbon Monoxide: 113.88 μg/m3
Nitrogen Dioxide: 4.91 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 81.83 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 1:13 PM
Sunset: 9:03 PM
Daylight: 15 hrs 40 mins
Moonrise: 12:25 AM
Moon Transit: 7:30 AM
Moonset: 2:53 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

7:00 AM - 9:30 AM
7:08 PM - 9:38 PM

Minor Periods

2:23 PM - 3:53 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 9, 2026

Weather Forecast

Sunny
66.5°F
53.4°F
59.5°F
83%
0 in
17%
0%
8.7 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 7.94 μg/m3
PM10: 8.53 μg/m3
Carbon Monoxide: 118.08 μg/m3
Nitrogen Dioxide: 7.54 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 71.29 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:13 PM
Sunset: 9:02 PM
Daylight: 15 hrs 38 mins
Moonrise: 12:47 AM
Moon Transit: 8:21 AM
Moonset: 4:14 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

7:51 AM - 10:21 AM
8:02 PM - 10:32 PM

Minor Periods

3:44 PM - 5:14 PM
12:17 AM - 1:47 AM

Action Rating: 2 out of 5

Friday, July 10, 2026

Weather Forecast

Sunny
72.4°F
52.6°F
62.3°F
81%
0.02 in
39%
0%
6 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 9.2 μg/m3
PM10: 9.55 μg/m3
Carbon Monoxide: 120.25 μg/m3
Nitrogen Dioxide: 8 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 77.71 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

Sunny
84.2°F
56.6°F
71.2°F
80%
0.07 in
58%
0%
11.2 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 10 μg/m3
PM10: 10.42 μg/m3
Carbon Monoxide: 149.31 μg/m3
Nitrogen Dioxide: 6.65 μg/m3
Sulphur Dioxide: 0.89 μg/m3
Ozone: 99.63 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
88.4°F
65.6°F
76.9°F
73%
0.01 in
36%
0%
13 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 8.13 μg/m3
PM10: 8.23 μg/m3
Carbon Monoxide: 203.38 μg/m3
Nitrogen Dioxide: 11.14 μg/m3
Sulphur Dioxide: 0.89 μg/m3
Ozone: 41.13 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

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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