Water Temperature of Lake Michigan Near Chicago, IL

Current Water Temperature

73.4°F

Measurement Time: Thursday, July 23, 2026, 6:40 PM CDT

Temperature Locations

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Local Points of Interest

Glencoe, IL; Winnetka, IL; Wilmette, IL; Evanston, IL

Lake Michigan

Station Name: Chicago Buoy
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 574 feet

Nearest Address:
Offshore
Chicago, IL 60093
Cook County

GPS Coordinates: 41.892, -87.563

Nearby Water Temperatures

Chicago River, Chicago, IL (7.3 mi)
Grand Calumet River, Chicago, IL (16.7 mi)
Cal-Sag Channel, Blue Island, IL (17.4 mi)
Lake Michigan, Wilmette, IL (17.4 mi)
Indiana Harbor Canal, East Chicago, IN (17.5 mi)
Grand Calumet River, Hammond, IN (19.2 mi)
Hart Ditch, Munster, IN (23.3 mi)
Little Calumet River, Gary, IN (24.3 mi)
Deep River, Lake Station, IN (26.3 mi)
Plum Creek, Dyer, IN (26.7 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (30.9 mi)
Des Plaines River, Lockport, IL (34.7 mi)
Lake Michigan, Waukegan, IL (35 mi)
Des Plaines River, Joliet, IL (36.4 mi)
Des Plaines River, Rockdale, IL (39 mi)

Weather Near Chicago, Illinois

Current Weather

73.9°F
Partly cloudy
Partly cloudy
75.8°F
76.2°F
38%
SSE 4.9 mph
7 mph
73°F
51.2°F
0 in
50%
9 mi
1021 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 78°F
L: 62°F
Sunny
Fri
H: 77°F
L: 66°F
Patchy rain nearby
Sat
H: 81°F
L: 64°F
Partly Cloudy
Sun
H: 90°F
L: 71°F
Sunny
Mon
H: 89°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 5.8 μg/m3
PM10: 5.9 μg/m3
Carbon Monoxide: 150 μg/m3
Nitrogen Dioxide: 8 μg/m3
Sulphur Dioxide: 2.8 μg/m3
Ozone: 94 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:56 AM
Sunset: 8:18 PM
Daylight: 14 hrs 43 mins
Moonrise: 4:00 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

7:56 AM - 10:26 AM
8:00 PM - 10:30 PM

Minor Periods

3:30 PM - 5:00 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
77.9°F
61.5°F
70.7°F
59%
0 in
3%
0%
8.9 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 6.5 μg/m3
PM10: 6.66 μg/m3
Carbon Monoxide: 159.58 μg/m3
Nitrogen Dioxide: 11.1 μg/m3
Sulphur Dioxide: 2.93 μg/m3
Ozone: 80.13 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:56 AM
Sunset: 8:18 PM
Daylight: 14 hrs 43 mins
Moonrise: 4:00 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

7:56 AM - 10:26 AM
8:00 PM - 10:30 PM

Minor Periods

3:30 PM - 5:00 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
76.9°F
66.2°F
71.6°F
58%
0 in
4%
0%
11 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 6.59 μg/m3
PM10: 6.77 μg/m3
Carbon Monoxide: 197.92 μg/m3
Nitrogen Dioxide: 9.75 μg/m3
Sulphur Dioxide: 3.52 μg/m3
Ozone: 97.75 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:56 AM
Sunset: 8:17 PM
Daylight: 14 hrs 41 mins
Moonrise: 5:01 PM
Moon Transit: 9:20 PM
Moonset: 12:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:45 AM - 11:15 AM
8:50 PM - 11:20 PM

Minor Periods

4:31 PM - 6:01 PM
12:26 AM - 1:56 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Patchy rain nearby
81°F
64.3°F
71.4°F
78%
0.02 in
44%
0%
10.5 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 10.72 μg/m3
PM10: 11.08 μg/m3
Carbon Monoxide: 157.29 μg/m3
Nitrogen Dioxide: 9.84 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 109.71 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:56 AM
Sunset: 8:16 PM
Daylight: 14 hrs 39 mins
Moonrise: 5:58 PM
Moon Transit: 10:11 PM
Moonset: 1:36 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

5:28 PM - 6:58 PM
1:06 AM - 2:36 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Partly Cloudy
89.9°F
70.7°F
77.8°F
84%
1.57 in
82%
0%
27.7 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 13.27 μg/m3
PM10: 13.78 μg/m3
Carbon Monoxide: 175.85 μg/m3
Nitrogen Dioxide: 14.17 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 107.17 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:56 AM
Sunset: 8:15 PM
Daylight: 14 hrs 37 mins
Moonrise: 6:47 PM
Moon Transit: 11:02 PM
Moonset: 2:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

10:27 AM - 12:57 AM
12:00 AM - 12:00 AM

Minor Periods

6:17 PM - 7:47 PM
1:55 AM - 3:25 AM

Action Rating: 3 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
89.1°F
72.8°F
81.7°F
75%
0 in
8%
0%
11 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 10.13 μg/m3
PM10: 10.38 μg/m3
Carbon Monoxide: 267.88 μg/m3
Nitrogen Dioxide: 15.13 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 81.75 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 12:56 AM
Sunset: 8:14 PM
Daylight: 14 hrs 35 mins
Moonrise: 7:28 PM
Moon Transit: 11:53 PM
Moonset: 3:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

11:18 AM - 1:48 PM
12:00 AM - 12:00 AM

Minor Periods

6:58 PM - 8:28 PM
2:51 AM - 4:21 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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