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

77.2°F
Overcast
Overcast
80.4°F
88.9°F
77%
ESE 10.7 mph
17.1 mph
82.6°F
73.4°F
0 in
100%
9 mi
1012 mbar
0.9

Five Day Weather Forecast

Sunny
Sun
H: 84°F
L: 62°F
Sunny
Mon
H: 93°F
L: 73°F
Sunny
Tue
H: 93°F
L: 77°F
Sunny
Wed
H: 95°F
L: 77°F
Sunny
Thu
H: 95°F
L: 79°F

Air Quality

AQI: 1 - Good
PM2.5: 14.1 μg/m3
PM10: 14.4 μg/m3
Carbon Monoxide: 159 μg/m3
Nitrogen Dioxide: 12.9 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 111 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:54 AM
Sunset: 8:31 PM
Daylight: 15 hrs 14 mins
Moonrise: 8:04 PM
Moon Transit: 12:00 AM
Moonset: 3:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:40 AM - 2:10 PM

Minor Periods

7:34 PM - 9:04 PM
3:09 AM - 4:39 AM

Action Rating: 2 out of 5

Extreme Heat Warning issued June 28 at 11:18AM CDT until July 1 at 10:00PM CDT by NWS Chicago IL

Effective: Sun June 28, 2026, 11:18 AM
Expires: Sun June 28, 2026, 9:30 PM

* WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Cook County. * WHEN...From Monday afternoon through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for elderly friends or family members, or for information on finding the nearest cooling center.


Small Craft Advisory issued June 28 at 2:46PM CDT until June 29 at 10:00PM CDT by NWS Chicago IL

Effective: Sun June 28, 2026, 2:46 PM
Expires: Sun June 28, 2026, 11:00 PM

* WHAT...South winds to 25 kt. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From noon to 10 PM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Sunday, June 28, 2026

Weather Forecast

Sunny
84.4°F
62.2°F
74.1°F
80%
0 in
9%
0%
10.7 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 10.76 μg/m3
PM10: 10.92 μg/m3
Carbon Monoxide: 148.25 μg/m3
Nitrogen Dioxide: 14.1 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 87.88 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:54 AM
Sunset: 8:31 PM
Daylight: 15 hrs 14 mins
Moonrise: 8:04 PM
Moon Transit: 12:00 AM
Moonset: 3:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:40 AM - 2:10 PM

Minor Periods

7:34 PM - 9:04 PM
3:09 AM - 4:39 AM

Action Rating: 2 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
92.6°F
73.2°F
82.7°F
73%
0 in
6%
0%
14.5 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 8.4 μg/m3
PM10: 9.48 μg/m3
Carbon Monoxide: 140.17 μg/m3
Nitrogen Dioxide: 8.51 μg/m3
Sulphur Dioxide: 2.52 μg/m3
Ozone: 85.54 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:54 AM
Sunset: 8:31 PM
Daylight: 15 hrs 14 mins
Moonrise: 8:51 PM
Moon Transit: 12:16 AM
Moonset: 4:31 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

8:21 PM - 9:51 PM
4:01 AM - 5:31 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
93.2°F
76.9°F
85°F
66%
0 in
4%
0%
14.8 mph
9.4


Air Quality

AQI: 2 - Moderate
PM2.5: 16.17 μg/m3
PM10: 24.29 μg/m3
Carbon Monoxide: 132.63 μg/m3
Nitrogen Dioxide: 5.97 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 91.75 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:54 AM
Sunset: 8:31 PM
Daylight: 15 hrs 13 mins
Moonrise: 9:29 PM
Moon Transit: 1:08 AM
Moonset: 5:28 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
1:22 PM - 3:52 PM

Minor Periods

8:59 PM - 10:29 PM
4:58 AM - 6:28 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
95.3°F
77.2°F
86.2°F
64%
0 in
4%
0%
13.9 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 14.22 μg/m3
PM10: 19.19 μg/m3
Carbon Monoxide: 145.52 μg/m3
Nitrogen Dioxide: 6.06 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 97.04 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:54 AM
Sunset: 8:31 PM
Daylight: 15 hrs 13 mins
Moonrise: 10:01 PM
Moon Transit: 1:57 AM
Moonset: 6:32 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:27 AM - 3:57 AM
2:11 PM - 4:41 PM

Minor Periods

9:31 PM - 11:01 PM
6:02 AM - 7:32 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
95.2°F
78.6°F
86.5°F
61%
0.02 in
36%
0%
12.8 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 9.81 μg/m3
PM10: 11.25 μg/m3
Carbon Monoxide: 236.88 μg/m3
Nitrogen Dioxide: 10.23 μg/m3
Sulphur Dioxide: 3.35 μg/m3
Ozone: 81 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:54 AM
Sunset: 8:31 PM
Daylight: 15 hrs 12 mins
Moonrise: 10:28 PM
Moon Transit: 2:45 AM
Moonset: 7:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:15 AM - 4:45 AM
2:57 PM - 5:27 PM

Minor Periods

9:58 PM - 11:28 PM
7:07 AM - 8:37 AM

Action Rating: 2 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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