Water Temperature of the Chicago River in Chicago, IL

Current Water Temperature

40.3°F

Measurement Time: Wednesday, January 7, 2026, 8:00 AM CST

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

42.1°F
Partly cloudy
Partly cloudy
37.4°F
41.7°F
70%
SSW 7.4 mph
11.6 mph
37.1°F
37.7°F
0 in
50%
9 mi
1013 mbar
0.8

Five Day Weather Forecast

Fog
Wed
H: 45°F
L: 33°F
Heavy rain
Thu
H: 43°F
L: 33°F
Moderate rain
Fri
H: 37°F
L: 35°F
Patchy rain nearby
Sat
H: 38°F
L: 30°F
Patchy moderate snow
Sun
H: 32°F
L: 25°F

Air Quality

AQI: 1 - Good
PM2.5: 13.15 μg/m3
PM10: 13.45 μg/m3
Carbon Monoxide: 348.85 μg/m3
Nitrogen Dioxide: 42.95 μg/m3
Sulphur Dioxide: 7.05 μg/m3
Ozone: 7 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 11:57 AM
Sunset: 4:37 PM
Daylight: 9 hrs 19 mins
Moonrise: 9:47 PM
Moon Transit: 3:26 AM
Moonset: 10:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
3:37 PM - 6:07 PM

Minor Periods

9:17 PM - 10:47 PM
9:31 AM - 11:01 AM

Action Rating: 2 out of 5

Wednesday, January 7, 2026

Weather Forecast

Fog
44.8°F
32.9°F
38°F
94%
0 in
0%
0%
11.2 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 15.91 μg/m3
PM10: 16.05 μg/m3
Carbon Monoxide: 307.01 μg/m3
Nitrogen Dioxide: 28.69 μg/m3
Sulphur Dioxide: 6.95 μg/m3
Ozone: 15.24 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 11:57 AM
Sunset: 4:37 PM
Daylight: 9 hrs 19 mins
Moonrise: 9:47 PM
Moon Transit: 3:26 AM
Moonset: 10:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
3:37 PM - 6:07 PM

Minor Periods

9:17 PM - 10:47 PM
9:31 AM - 11:01 AM

Action Rating: 2 out of 5

Thursday, January 8, 2026

Weather Forecast

Heavy rain
42.9°F
33.4°F
38°F
98%
1.23 in
86%
0%
18.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 14.15 μg/m3
PM10: 14.35 μg/m3
Carbon Monoxide: 248.41 μg/m3
Nitrogen Dioxide: 27.95 μg/m3
Sulphur Dioxide: 7.31 μg/m3
Ozone: 25.84 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 11:57 AM
Sunset: 4:38 PM
Daylight: 9 hrs 20 mins
Moonrise: 10:53 PM
Moon Transit: 4:10 AM
Moonset: 10:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
4:20 PM - 6:50 PM

Minor Periods

10:23 PM - 11:53 PM
9:51 AM - 11:21 AM

Action Rating: 3 out of 5

Friday, January 9, 2026

Weather Forecast

Moderate rain
36.7°F
35.2°F
36.9°F
89%
0.26 in
88%
0%
19.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.15 μg/m3
PM10: 6.21 μg/m3
Carbon Monoxide: 209.09 μg/m3
Nitrogen Dioxide: 17.09 μg/m3
Sulphur Dioxide: 3.88 μg/m3
Ozone: 37.2 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 11:57 AM
Sunset: 4:39 PM
Daylight: 9 hrs 21 mins
Moonrise: 11:56 PM
Moon Transit: 4:51 AM
Moonset: 10:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

4:21 AM - 6:51 AM
5:01 PM - 7:31 PM

Minor Periods

12:00 AM - 12:00 AM
10:11 AM - 11:41 AM

Action Rating: 4 out of 5

Saturday, January 10, 2026

Weather Forecast

Patchy rain nearby
38°F
30.3°F
36.3°F
91%
0.09 in
86%
3%
19.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 7.63 μg/m3
PM10: 7.69 μg/m3
Carbon Monoxide: 214.61 μg/m3
Nitrogen Dioxide: 23.78 μg/m3
Sulphur Dioxide: 4.72 μg/m3
Ozone: 24.6 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 11:58 AM
Sunset: 4:40 PM
Daylight: 9 hrs 22 mins
Moonrise: 12:56 AM
Moon Transit: 5:33 AM
Moonset: 11:00 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:42 PM - 8:12 PM

Minor Periods

10:30 AM - 12:00 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, January 11, 2026

Weather Forecast

Patchy moderate snow
32.4°F
25.2°F
29.4°F
75%
0.02 in
86%
36%
17.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4 μg/m3
PM10: 4.8 μg/m3
Carbon Monoxide: 176.64 μg/m3
Nitrogen Dioxide: 5.7 μg/m3
Sulphur Dioxide: 2.57 μg/m3
Ozone: 68.46 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 11:58 AM
Sunset: 4:41 PM
Daylight: 9 hrs 24 mins
Moonrise: 1:00 AM
Moon Transit: 6:14 AM
Moonset: 11:22 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
6:25 PM - 8:55 PM

Minor Periods

10:52 AM - 12:22 AM
12:30 AM - 2:00 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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