Water Temperature of Lake Superior in Superior, WI

Current Water Temperature

38.8°F

Measurement Time: Tuesday, November 25, 2025, 7:15 AM CST

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

25.3°F
Partly cloudy
Partly cloudy
16.1°F
30.6°F
68%
SSW 8.9 mph
11.4 mph
20.6°F
17.8°F
0 in
50%
9 mi
1028 mbar
1.4

Five Day Weather Forecast

Sunny
Sat
H: 45°F
L: 19°F
Overcast
Sun
H: 35°F
L: 28°F
Overcast
Mon
H: 32°F
L: 28°F
Patchy moderate snow
Tue
H: 31°F
L: 26°F
Moderate snow
Wed
H: 26°F
L: 22°F

Air Quality

AQI: 1 - Good
PM2.5: 4.75 μg/m3
PM10: 5.35 μg/m3
Carbon Monoxide: 190.85 μg/m3
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 90 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:13 PM
Sunset: 7:32 PM
Daylight: 12 hrs 37 mins
Moonrise: 2:44 PM
Moon Transit: 10:17 PM
Moonset: 5:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

9:05 AM - 11:35 AM
12:00 AM - 12:00 AM

Minor Periods

2:14 PM - 3:44 PM
4:41 AM - 6:11 AM

Action Rating: 2 out of 5

Red Flag Warning issued March 27 at 8:46PM CDT until March 28 at 7:00PM CDT by NWS Duluth MN

Effective: Fri March 27, 2026, 8:46 PM
Expires: Sat March 28, 2026, 9:00 AM

* AFFECTED AREA...In Minnesota, North Cass, South Itasca, South Cass, Crow Wing, Northern Aitkin, South Aitkin, Carlton and South St. Louis and Pine. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fires that ignite could spread rapidly and become difficult to control. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued March 28 at 1:46AM CDT until March 28 at 7:00PM CDT by NWS Duluth MN

Effective: Sat March 28, 2026, 1:46 AM
Expires: Sat March 28, 2026, 2:00 PM

* AFFECTED AREA...In Minnesota, North Cass, South Itasca, South Cass, Crow Wing, Northern Aitkin, South Aitkin, Carlton and South St. Louis and Pine. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fires that ignite could spread rapidly and become difficult to control. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Saturday, March 28, 2026

Weather Forecast

Sunny
44.8°F
18.5°F
30.4°F
61%
0 in
0%
0%
10.1 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 5.6 μg/m3
PM10: 6.46 μg/m3
Carbon Monoxide: 214.65 μg/m3
Nitrogen Dioxide: 3.77 μg/m3
Sulphur Dioxide: 2.11 μg/m3
Ozone: 87.12 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:13 PM
Sunset: 7:32 PM
Daylight: 12 hrs 37 mins
Moonrise: 2:44 PM
Moon Transit: 10:17 PM
Moonset: 5:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

9:05 AM - 11:35 AM
12:00 AM - 12:00 AM

Minor Periods

2:14 PM - 3:44 PM
4:41 AM - 6:11 AM

Action Rating: 2 out of 5

Sunday, March 29, 2026

Weather Forecast

Overcast
34.5°F
28.2°F
30.6°F
92%
0 in
0%
0%
14.1 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 6.01 μg/m3
PM10: 6.33 μg/m3
Carbon Monoxide: 196.21 μg/m3
Nitrogen Dioxide: 5.53 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 76.8 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:12 PM
Sunset: 7:33 PM
Daylight: 12 hrs 40 mins
Moonrise: 4:01 PM
Moon Transit: 11:04 PM
Moonset: 5:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

9:54 AM - 12:24 AM
12:00 AM - 12:00 AM

Minor Periods

3:31 PM - 5:01 PM
5:04 AM - 6:34 AM

Action Rating: 3 out of 5

Monday, March 30, 2026

Weather Forecast

Overcast
32.2°F
28.2°F
30.4°F
97%
0 in
0%
0%
21.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.57 μg/m3
PM10: 6.18 μg/m3
Carbon Monoxide: 187.17 μg/m3
Nitrogen Dioxide: 2.51 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 86.12 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:12 PM
Sunset: 7:35 PM
Daylight: 12 hrs 43 mins
Moonrise: 5:14 PM
Moon Transit: 11:49 PM
Moonset: 5:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

10:40 AM - 1:10 PM
12:00 AM - 12:00 AM

Minor Periods

4:44 PM - 6:14 PM
5:23 AM - 6:53 AM

Action Rating: 3 out of 5

Tuesday, March 31, 2026

Weather Forecast

Patchy moderate snow
30.9°F
25.5°F
29.7°F
92%
0.03 in
65%
26%
21 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 6.55 μg/m3
PM10: 7.06 μg/m3
Carbon Monoxide: 174.95 μg/m3
Nitrogen Dioxide: 2.5 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 96.6 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:12 PM
Sunset: 7:36 PM
Daylight: 12 hrs 47 mins
Moonrise: 6:26 PM
Moon Transit: 12:00 AM
Moonset: 6:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:23 AM - 1:53 PM

Minor Periods

5:56 PM - 7:26 PM
5:39 AM - 7:09 AM

Action Rating: 4 out of 5

Wednesday, April 1, 2026

Weather Forecast

Moderate snow
26.4°F
21.8°F
24.7°F
84%
0.04 in
84%
37%
15.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.22 μg/m3
PM10: 1.3 μg/m3
Carbon Monoxide: 167.03 μg/m3
Nitrogen Dioxide: 1.57 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 89.08 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:12 PM
Sunset: 7:37 PM
Daylight: 12 hrs 50 mins
Moonrise: 7:36 PM
Moon Transit: 12:31 AM
Moonset: 6:25 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
12:06 AM - 2:36 PM

Minor Periods

7:06 PM - 8:36 PM
5:55 AM - 7:25 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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