Water Temperature of the Chicago River in Chicago, IL

Current Water Temperature

72.5°F

Measurement Time: Tuesday, July 7, 2026, 6:30 AM 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

82.9°F
Sunny
Sunny
91°F
87.3°F
48%
NE 6.9 mph
8 mph
81.1°F
73.9°F
0 in
25%
9 mi
1019 mbar
9.1

Five Day Weather Forecast

Sunny
Tue
H: 81°F
L: 63°F
Sunny
Wed
H: 85°F
L: 69°F
Sunny
Thu
H: 85°F
L: 71°F
Sunny
Fri
H: 82°F
L: 68°F
Patchy rain nearby
Sat
H: 81°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 12.5 μg/m3
PM10: 12.8 μg/m3
Carbon Monoxide: 114 μg/m3
Nitrogen Dioxide: 6.6 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 109 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:55 AM
Sunset: 8:28 PM
Daylight: 15 hrs 5 mins
Moonrise: 12:52 AM
Moon Transit: 6:24 AM
Moonset: 1:10 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

5:54 AM - 8:24 AM
6:36 PM - 9:06 PM

Minor Periods

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

Action Rating: 2 out of 5

Air Quality Alert issued July 7 at 10:29AM CDT by NWS Chicago IL

Effective: Tue July 7, 2026, 10:29 AM
Expires: Thu July 9, 2026, 12:00 AM

An Air Quality Action Day has been forecast for Northwest Indiana for elevated ozone levels and is IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CDT WEDNESDAY NIGHT. Ozone Levels are expected to be at unhealthy levels for sensitive groups. For additional information...please visit the IDEM SMOG Watch web site at www.SmogWatch.IN.gov or the EPA AIRNOW web site at www.airnow.gov and click on Indiana.
Tuesday, July 7, 2026

Weather Forecast

Sunny
81.3°F
63.3°F
72.4°F
84%
0 in
11%
0%
8.3 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 12.86 μg/m3
PM10: 13.12 μg/m3
Carbon Monoxide: 129.08 μg/m3
Nitrogen Dioxide: 15.93 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 83.46 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:55 AM
Sunset: 8:28 PM
Daylight: 15 hrs 5 mins
Moonrise: 12:52 AM
Moon Transit: 6:24 AM
Moonset: 1:10 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

5:54 AM - 8:24 AM
6:36 PM - 9:06 PM

Minor Periods

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

Action Rating: 2 out of 5

Wednesday, July 8, 2026

Weather Forecast

Sunny
85.1°F
68.5°F
77.3°F
66%
0 in
6%
0%
6.9 mph
9.1


Air Quality

AQI: 2 - Moderate
PM2.5: 17.87 μg/m3
PM10: 18.23 μg/m3
Carbon Monoxide: 244.17 μg/m3
Nitrogen Dioxide: 23.53 μg/m3
Sulphur Dioxide: 4.21 μg/m3
Ozone: 96.17 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:55 AM
Sunset: 8:28 PM
Daylight: 15 hrs 4 mins
Moonrise: 12:15 AM
Moon Transit: 7:11 AM
Moonset: 2:23 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

6:41 AM - 9:11 AM
7:26 PM - 9:56 PM

Minor Periods

1:53 PM - 3:23 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 9, 2026

Weather Forecast

Sunny
85°F
71.3°F
76.1°F
78%
0.3 in
72%
0%
10.1 mph
4.8


Air Quality

AQI: 1 - Good
PM2.5: 11.25 μg/m3
PM10: 11.62 μg/m3
Carbon Monoxide: 177.54 μg/m3
Nitrogen Dioxide: 16.65 μg/m3
Sulphur Dioxide: 3.11 μg/m3
Ozone: 102.83 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:56 AM
Sunset: 8:28 PM
Daylight: 15 hrs 3 mins
Moonrise: 12:42 AM
Moon Transit: 8:03 AM
Moonset: 3:39 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

7:33 AM - 10:03 AM
8:20 PM - 10:50 PM

Minor Periods

3:09 PM - 4:39 PM
12:12 AM - 1:42 AM

Action Rating: 3 out of 5

Friday, July 10, 2026

Weather Forecast

Sunny
82.4°F
68.2°F
74.1°F
81%
0.25 in
71%
0%
8.1 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 7.86 μg/m3
PM10: 8.09 μg/m3
Carbon Monoxide: 149.14 μg/m3
Nitrogen Dioxide: 11.35 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 81.29 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:56 AM
Sunset: 8:27 PM
Daylight: 15 hrs 2 mins
Moonrise: 1:15 AM
Moon Transit: 9:00 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
9:20 PM - 11:50 PM

Minor Periods

4:28 PM - 5:58 PM
12:45 AM - 2:15 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Patchy rain nearby
80.6°F
71.2°F
74.4°F
88%
0.51 in
86%
0%
8.3 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 11.65 μg/m3
PM10: 11.8 μg/m3
Carbon Monoxide: 193.88 μg/m3
Nitrogen Dioxide: 22.18 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 49.5 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:56 AM
Sunset: 8:27 PM
Daylight: 15 hrs 1 mins
Moonrise: 1:59 AM
Moon Transit: 10:03 AM
Moonset: 6:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:33 AM - 12:03 AM

Minor Periods

5:45 PM - 7:15 PM
1:29 AM - 2:59 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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