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

77.4°F
Mist
Mist
80°F
79.8°F
69%
NE 8.3 mph
11.1 mph
77.2°F
65.3°F
0 in
50%
6 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 98°F
L: 74°F
Sunny
Sun
H: 80°F
L: 68°F
Sunny
Mon
H: 84°F
L: 66°F
Sunny
Tue
H: 85°F
L: 70°F
Patchy rain nearby
Wed
H: 72°F
L: 60°F

Air Quality

AQI: 2 - Moderate
PM2.5: 37.6 μg/m3
PM10: 37.8 μg/m3
Carbon Monoxide: 395 μg/m3
Nitrogen Dioxide: 7.2 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 144 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:56 AM
Sunset: 8:23 PM
Daylight: 14 hrs 53 mins
Moonrise: 10:31 AM
Moon Transit: 4:45 PM
Moonset: 10:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
4:15 PM - 6:45 PM

Minor Periods

10:18 PM - 11:48 PM
10:01 AM - 11:31 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 18 at 9:54AM CDT until July 19 at 4:00AM CDT by NWS Chicago IL

Effective: Sat July 18, 2026, 9:54 AM
Expires: Sat July 18, 2026, 6:00 PM

* WHAT...Northeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 7 PM this evening to 4 AM CDT Sunday. * 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 18 at 2:50PM CDT until July 19 at 4:00AM CDT by NWS Chicago IL

Effective: Sat July 18, 2026, 2:50 PM
Expires: Sat July 18, 2026, 11:00 PM

* WHAT...Northeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 7 PM this evening to 4 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Saturday, July 18, 2026

Weather Forecast

Sunny
97.9°F
74.1°F
82.7°F
67%
0 in
5%
0%
13.6 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 12.42 μg/m3
PM10: 12.73 μg/m3
Carbon Monoxide: 211.42 μg/m3
Nitrogen Dioxide: 7.21 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 102.46 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:56 AM
Sunset: 8:23 PM
Daylight: 14 hrs 53 mins
Moonrise: 10:31 AM
Moon Transit: 4:45 PM
Moonset: 10:48 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
4:15 PM - 6:45 PM

Minor Periods

10:18 PM - 11:48 PM
10:01 AM - 11:31 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
80.2°F
67.6°F
74.3°F
56%
0 in
3%
0%
9.2 mph
6.8


Air Quality

AQI: 2 - Moderate
PM2.5: 28.22 μg/m3
PM10: 28.55 μg/m3
Carbon Monoxide: 234.04 μg/m3
Nitrogen Dioxide: 8.13 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 115.83 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:57 AM
Sunset: 8:22 PM
Daylight: 14 hrs 51 mins
Moonrise: 11:39 AM
Moon Transit: 5:29 PM
Moonset: 11:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
4:59 PM - 7:29 PM

Minor Periods

12:00 AM - 12:00 AM
11:09 AM - 12:39 AM

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
83.7°F
66.3°F
75°F
68%
0.23 in
63%
0%
11.9 mph
5.3


Air Quality

AQI: 1 - Good
PM2.5: 14.46 μg/m3
PM10: 14.56 μg/m3
Carbon Monoxide: 256.38 μg/m3
Nitrogen Dioxide: 13.29 μg/m3
Sulphur Dioxide: 3.78 μg/m3
Ozone: 103.88 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:57 AM
Sunset: 8:21 PM
Daylight: 14 hrs 49 mins
Moonrise: 12:46 AM
Moon Transit: 6:12 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
5:42 PM - 8:12 PM

Minor Periods

12:16 AM - 1:46 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
84.6°F
70.2°F
77.5°F
71%
0.42 in
71%
0%
13.6 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 5.02 μg/m3
PM10: 5.15 μg/m3
Carbon Monoxide: 145.32 μg/m3
Nitrogen Dioxide: 5.77 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:57 AM
Sunset: 8:21 PM
Daylight: 14 hrs 48 mins
Moonrise: 1:51 PM
Moon Transit: 6:56 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
6:26 PM - 8:56 PM

Minor Periods

1:21 PM - 2:51 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Patchy rain nearby
71.5°F
59.7°F
65.9°F
61%
0.01 in
36%
0%
14.3 mph
6.8


Air Quality

AQI: 2 - Moderate
PM2.5: 30.44 μg/m3
PM10: 31.58 μg/m3
Carbon Monoxide: 535.75 μg/m3
Nitrogen Dioxide: 4.48 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 98.13 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

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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