Water Temperature of the Chicago River in Chicago, IL

Current Water Temperature

75.2°F

Measurement Time: Tuesday, July 28, 2026, 11:30 PM CDT

Temperature Locations

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Local Points of Interest

Chicago Park District

Chicago River

Station Name: CHICAGO S & S CANAL AT WESTERN AVE AT CHICAGO, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 591 feet

Nearest Address:
3101 S Western Ave
Chicago, IL 60608
Cook County

GPS Coordinates: 41.8375, -87.6852778

Nearby Water Temperatures

Lake Michigan, Chicago, IL (7.3 mi)
Cal-Sag Channel, Blue Island, IL (12.8 mi)
Grand Calumet River, Chicago, IL (14.4 mi)
Indiana Harbor Canal, East Chicago, IN (17.1 mi)
Grand Calumet River, Hammond, IN (17.9 mi)
Lake Michigan, Wilmette, IL (20.6 mi)
Hart Ditch, Munster, IN (21.8 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (23.6 mi)
Little Calumet River, Gary, IN (24 mi)
Plum Creek, Dyer, IN (24.5 mi)
Deep River, Lake Station, IN (27.4 mi)
Des Plaines River, Lockport, IL (27.4 mi)
Des Plaines River, Joliet, IL (29.2 mi)
Des Plaines River, Rockdale, IL (31.9 mi)
Lake Michigan, Waukegan, IL (37.1 mi)

Weather for Chicago, Illinois

Current Weather

62.6°F
Sunny
Sunny
51.3°F
62.6°F
84%
N 7.4 mph
12.6 mph
62.6°F
57.7°F
0 in
0%
6 mi
1014 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 80°F
L: 63°F
Sunny
Thu
H: 86°F
L: 69°F
Sunny
Fri
H: 81°F
L: 70°F
Light rain shower
Sat
H: 72°F
L: 69°F
Sunny
Sun
H: 77°F
L: 68°F

Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.3 μg/m3
Carbon Monoxide: 103 μg/m3
Nitrogen Dioxide: 5.5 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 12:57 AM
Sunset: 8:12 PM
Daylight: 14 hrs 31 mins
Moonrise: 8:32 PM
Moon Transit: 12:42 AM
Moonset: 5:29 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:12 AM - 2:42 AM
12:55 AM - 3:25 PM

Minor Periods

8:02 PM - 9:32 PM
4:59 AM - 6:29 AM

Action Rating: 4 out of 5

Small Craft Advisory issued July 28 at 9:42PM CDT until July 29 at 7:00AM CDT by NWS Chicago IL

Effective: Tue July 28, 2026, 9:42 PM
Expires: Wed July 29, 2026, 5:45 AM

* WHAT...North winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 7 AM 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 29 at 1:58AM CDT until July 29 at 7:00AM CDT by NWS Chicago IL

Effective: Wed July 29, 2026, 1:58 AM
Expires: Wed July 29, 2026, 7:00 AM

* WHAT...Significant waves to 7 ft occasionally to 9 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 7 AM CDT this morning. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Wednesday, July 29, 2026

Weather Forecast

Sunny
79.7°F
62.6°F
71.6°F
68%
0 in
5%
0%
10.3 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 4.64 μg/m3
PM10: 4.76 μg/m3
Carbon Monoxide: 116.21 μg/m3
Nitrogen Dioxide: 6.07 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 66.67 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 12:57 AM
Sunset: 8:12 PM
Daylight: 14 hrs 31 mins
Moonrise: 8:32 PM
Moon Transit: 12:42 AM
Moonset: 5:29 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:12 AM - 2:42 AM
12:55 AM - 3:25 PM

Minor Periods

8:02 PM - 9:32 PM
4:59 AM - 6:29 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
85.9°F
69.2°F
77.6°F
60%
0 in
4%
0%
6.9 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 12.82 μg/m3
PM10: 13.05 μg/m3
Carbon Monoxide: 216.83 μg/m3
Nitrogen Dioxide: 17.52 μg/m3
Sulphur Dioxide: 2.69 μg/m3
Ozone: 80.58 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:57 AM
Sunset: 8:11 PM
Daylight: 14 hrs 29 mins
Moonrise: 8:56 PM
Moon Transit: 1:29 AM
Moonset: 6:35 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
1:40 PM - 4:10 PM

Minor Periods

8:26 PM - 9:56 PM
6:05 AM - 7:35 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
81.1°F
70°F
74.7°F
69%
0.13 in
59%
0%
14.8 mph
2.7


Air Quality

AQI: 1 - Good
PM2.5: 13.4 μg/m3
PM10: 13.65 μg/m3
Carbon Monoxide: 187.96 μg/m3
Nitrogen Dioxide: 21.89 μg/m3
Sulphur Dioxide: 4.34 μg/m3
Ozone: 77.79 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:57 AM
Sunset: 8:10 PM
Daylight: 14 hrs 26 mins
Moonrise: 9:17 PM
Moon Transit: 2:13 AM
Moonset: 7:41 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
2:24 PM - 4:54 PM

Minor Periods

8:47 PM - 10:17 PM
7:11 AM - 8:41 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Light rain shower
71.7°F
68.6°F
69.9°F
88%
0.53 in
85%
0%
20.4 mph
3.1


Air Quality

AQI: 1 - Good
PM2.5: 8.53 μg/m3
PM10: 8.73 μg/m3
Carbon Monoxide: 154.28 μg/m3
Nitrogen Dioxide: 10.27 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 88.67 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 12:57 AM
Sunset: 8:09 PM
Daylight: 14 hrs 24 mins
Moonrise: 9:37 PM
Moon Transit: 2:56 AM
Moonset: 8:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:26 AM - 4:56 AM
3:07 PM - 5:37 PM

Minor Periods

9:07 PM - 10:37 PM
8:17 AM - 9:47 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
76.6°F
67.6°F
71.8°F
78%
0 in
18%
0%
15.7 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 7.18 μg/m3
PM10: 7.31 μg/m3
Carbon Monoxide: 242.75 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 79.38 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:57 AM
Sunset: 8:08 PM
Daylight: 14 hrs 22 mins
Moonrise: 9:58 PM
Moon Transit: 3:39 AM
Moonset: 9:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
5:20 PM - 7:50 PM

Minor Periods

9:28 PM - 10:58 PM
9:23 AM - 10:53 AM

Action Rating: 4 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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