Water Temperature of Lake Michigan Near Wilmette, IL

Current Water Temperature

58.8°F

Measurement Time: Thursday, June 4, 2026, 9:30 AM CDT

Temperature Locations

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Lake Michigan

Station Name: Wilmette Buoy, IL
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 574 feet

Nearest Address:
Offshore
Wilmette, IL 60091
Cook County

GPS Coordinates: 42.135, -87.655

Nearby Water Temperatures

Lake Michigan, Chicago, IL (17.4 mi)
Lake Michigan, Waukegan, IL (17.6 mi)
Chicago River, Chicago, IL (20.6 mi)
Lake Michigan, Winthrop Harbor, IL (25.4 mi)
Fox River, McHenry, IL (33.2 mi)
Cal-Sag Channel, Blue Island, IL (33.3 mi)
Grand Calumet River, Chicago, IL (33.9 mi)
Indiana Harbor Canal, East Chicago, IN (34.9 mi)
Grand Calumet River, Hammond, IN (36.6 mi)
Lake Michigan, Racine, WI (39.2 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (40 mi)
Hart Ditch, Munster, IN (40.7 mi)
Little Calumet River, Gary, IN (41.7 mi)
Deep River, Lake Station, IN (43.3 mi)
Fox River, Burlington, WI (43.9 mi)

Weather Near Wilmette, Illinois

Current Weather

62.1°F
Partly cloudy
Partly cloudy
62.1°F
61.5°F
75%
NNW 9.2 mph
12.9 mph
61.5°F
50.2°F
0 in
50%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 77°F
L: 61°F
Sunny
Thu
H: 77°F
L: 59°F
Partly Cloudy
Fri
H: 78°F
L: 67°F
Partly Cloudy
Sat
H: 80°F
L: 63°F
Thundery outbreaks in nearby
Sun
H: 90°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 2 μg/m3
PM10: 2 μg/m3
Carbon Monoxide: 124 μg/m3
Nitrogen Dioxide: 5.7 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:57 AM
Sunset: 8:20 PM
Daylight: 14 hrs 46 mins
Moonrise: 2:57 PM
Moon Transit: 7:42 PM
Moonset: 12:54 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
7:12 PM - 9:42 PM

Minor Periods

2:27 PM - 3:57 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 21 at 9:03PM CDT until July 22 at 10:00PM CDT by NWS Chicago IL

Effective: Tue July 21, 2026, 9:03 PM
Expires: Wed July 22, 2026, 5:15 AM

* WHAT...North winds to 30 kt and significant waves to 9 ft occasionally to 12 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 10 PM CDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 22 at 2:34AM CDT until July 22 at 10:00PM CDT by NWS Chicago IL

Effective: Wed July 22, 2026, 2:34 AM
Expires: Wed July 22, 2026, 10:45 AM

* WHAT...North winds to 25 kt and significant waves to 8 ft occasionally to 10 ft occurring. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 10 PM CDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Wednesday, July 22, 2026

Weather Forecast

Sunny
76.8°F
60.8°F
68.5°F
52%
0 in
3%
0%
14.1 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 6.07 μg/m3
PM10: 6.39 μg/m3
Carbon Monoxide: 120.25 μg/m3
Nitrogen Dioxide: 8.21 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 77.54 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:57 AM
Sunset: 8:20 PM
Daylight: 14 hrs 46 mins
Moonrise: 2:57 PM
Moon Transit: 7:42 PM
Moonset: 12:54 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
7:12 PM - 9:42 PM

Minor Periods

2:27 PM - 3:57 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
77.2°F
59°F
69°F
51%
0 in
3%
0%
6.9 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 14.05 μg/m3
PM10: 14.4 μg/m3
Carbon Monoxide: 187.46 μg/m3
Nitrogen Dioxide: 23.95 μg/m3
Sulphur Dioxide: 4.74 μg/m3
Ozone: 69.04 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:57 AM
Sunset: 8:19 PM
Daylight: 14 hrs 44 mins
Moonrise: 4:01 PM
Moon Transit: 8:30 PM
Moonset: 12:22 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:55 AM - 10:25 AM
8:00 PM - 10:30 PM

Minor Periods

3:31 PM - 5:01 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Partly Cloudy
77.6°F
66.8°F
71°F
57%
0 in
5%
0%
7.4 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 12.34 μg/m3
PM10: 12.64 μg/m3
Carbon Monoxide: 180.17 μg/m3
Nitrogen Dioxide: 21.75 μg/m3
Sulphur Dioxide: 4.46 μg/m3
Ozone: 76.29 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:57 AM
Sunset: 8:18 PM
Daylight: 14 hrs 42 mins
Moonrise: 5:03 PM
Moon Transit: 9:20 PM
Moonset: 12:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:44 AM - 11:14 AM
8:50 PM - 11:20 PM

Minor Periods

4:33 PM - 6:03 PM
12:25 AM - 1:55 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Partly Cloudy
80.3°F
63°F
71.5°F
75%
0 in
15%
0%
10.1 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 8.68 μg/m3
PM10: 8.93 μg/m3
Carbon Monoxide: 173.8 μg/m3
Nitrogen Dioxide: 14.08 μg/m3
Sulphur Dioxide: 3.04 μg/m3
Ozone: 92.46 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:57 AM
Sunset: 8:17 PM
Daylight: 14 hrs 40 mins
Moonrise: 5:59 PM
Moon Transit: 10:11 PM
Moonset: 1:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:29 PM - 6:59 PM
1:05 AM - 2:35 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Thundery outbreaks in nearby
90.1°F
70.8°F
81°F
80%
0.21 in
73%
0%
12.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 8.33 μg/m3
PM10: 8.54 μg/m3
Carbon Monoxide: 240 μg/m3
Nitrogen Dioxide: 15.69 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 69.13 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:57 AM
Sunset: 8:16 PM
Daylight: 14 hrs 38 mins
Moonrise: 6:49 PM
Moon Transit: 11:03 PM
Moonset: 2:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

10:26 AM - 12:56 AM
12:00 AM - 12:00 AM

Minor Periods

6:19 PM - 7:49 PM
1:54 AM - 3:24 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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