Water Temperature of the Chicago River in Chicago, IL

Current Water Temperature

65.8°F

Measurement Time: Thursday, May 21, 2026, 2:00 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

53.1°F
Overcast
Overcast
49.7°F
52.1°F
54%
NNE 10.5 mph
15.9 mph
48.5°F
40.3°F
0 in
100%
9 mi
1023 mbar
4

Five Day Weather Forecast

Sunny
Thu
H: 59°F
L: 48°F
Patchy rain nearby
Fri
H: 57°F
L: 50°F
Patchy rain nearby
Sat
H: 66°F
L: 52°F
Moderate rain
Sun
H: 76°F
L: 56°F
Patchy rain nearby
Mon
H: 74°F
L: 55°F

Air Quality

AQI: 2 - Moderate
PM2.5: 7.05 μg/m3
PM10: 7.15 μg/m3
Carbon Monoxide: 145.85 μg/m3
Nitrogen Dioxide: 22.65 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 53 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:47 AM
Sunset: 8:10 PM
Daylight: 14 hrs 45 mins
Moonrise: 10:17 AM
Moon Transit: 5:51 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
5:21 PM - 7:51 PM

Minor Periods

9:47 AM - 11:17 AM
12:10 AM - 1:40 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued May 21 at 10:43AM CDT until May 23 at 1:00PM CDT by NWS Chicago IL

Effective: Thu May 21, 2026, 10:43 AM
Expires: Thu May 21, 2026, 6:45 PM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 feet expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Saturday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.


Beach Hazards Statement issued May 21 at 3:15PM CDT until May 23 at 1:00PM CDT by NWS Chicago IL

Effective: Thu May 21, 2026, 3:15 PM
Expires: Thu May 21, 2026, 11:15 PM

* WHAT...High waves of 3 to 6 feet and dangerous currents occuring at Lake Michigan beaches. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Saturday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.


Beach Hazards Statement issued May 21 at 10:43AM CDT until May 22 at 4:00AM CDT by NWS Chicago IL

Effective: Thu May 21, 2026, 10:43 AM
Expires: Thu May 21, 2026, 6:45 PM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 feet expected. * WHERE...Lake IN and Porter Counties. * WHEN...Through late tonight. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.


Beach Hazards Statement issued May 21 at 3:15PM CDT until May 22 at 4:00AM CDT by NWS Chicago IL

Effective: Thu May 21, 2026, 3:15 PM
Expires: Thu May 21, 2026, 11:15 PM

* WHAT...High waves of 3 to 6 feet and dangerous currents occuring at Lake Michigan beaches. * WHERE...Lake IN and Porter Counties. * WHEN...Through late tonight. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Thursday, May 21, 2026

Weather Forecast

Sunny
58.8°F
48.2°F
53.2°F
68%
0 in
0%
0%
12.5 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.26 μg/m3
PM10: 4.45 μg/m3
Carbon Monoxide: 127.49 μg/m3
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 71.28 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:47 AM
Sunset: 8:10 PM
Daylight: 14 hrs 45 mins
Moonrise: 10:17 AM
Moon Transit: 5:51 PM
Moonset: 12:40 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
5:21 PM - 7:51 PM

Minor Periods

9:47 AM - 11:17 AM
12:10 AM - 1:40 AM

Action Rating: 4 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
57.3°F
49.9°F
53.8°F
73%
0.04 in
89%
0%
13.4 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 6.78 μg/m3
PM10: 6.93 μg/m3
Carbon Monoxide: 148.57 μg/m3
Nitrogen Dioxide: 15.47 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 63.12 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:47 AM
Sunset: 8:11 PM
Daylight: 14 hrs 47 mins
Moonrise: 11:32 AM
Moon Transit: 6:42 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
6:12 PM - 8:42 PM

Minor Periods

11:02 AM - 12:32 AM
12:42 AM - 2:12 AM

Action Rating: 2 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
66.2°F
52.4°F
57.1°F
81%
0.09 in
81%
0%
9.4 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 6.48 μg/m3
PM10: 6.52 μg/m3
Carbon Monoxide: 164.17 μg/m3
Nitrogen Dioxide: 12.05 μg/m3
Sulphur Dioxide: 2.37 μg/m3
Ozone: 64.16 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:47 AM
Sunset: 8:12 PM
Daylight: 14 hrs 49 mins
Moonrise: 12:44 AM
Moon Transit: 7:28 PM
Moonset: 1:38 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:54 AM - 9:24 AM
6:58 PM - 9:28 PM

Minor Periods

12:14 AM - 1:44 PM
1:08 AM - 2:38 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Moderate rain
76°F
56.4°F
65.4°F
77%
0.26 in
87%
0%
10.1 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 13.58 μg/m3
PM10: 13.66 μg/m3
Carbon Monoxide: 184.35 μg/m3
Nitrogen Dioxide: 20.3 μg/m3
Sulphur Dioxide: 4.02 μg/m3
Ozone: 74.84 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:47 AM
Sunset: 8:13 PM
Daylight: 14 hrs 50 mins
Moonrise: 1:51 PM
Moon Transit: 8:11 PM
Moonset: 2:01 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

7:39 AM - 10:09 AM
7:41 PM - 10:11 PM

Minor Periods

1:21 PM - 2:51 PM
1:31 AM - 3:01 AM

Action Rating: 2 out of 5

Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
74°F
55.2°F
62.8°F
78%
0 in
0%
0%
7.8 mph
4


Air Quality

AQI: 2 - Moderate
PM2.5: 19.13 μg/m3
PM10: 19.37 μg/m3
Carbon Monoxide: 265.73 μg/m3
Nitrogen Dioxide: 42.4 μg/m3
Sulphur Dioxide: 5.53 μg/m3
Ozone: 48.92 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:47 AM
Sunset: 8:14 PM
Daylight: 14 hrs 52 mins
Moonrise: 2:56 PM
Moon Transit: 8:53 PM
Moonset: 2:21 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

8:21 AM - 10:51 AM
8:23 PM - 10:53 PM

Minor Periods

2:26 PM - 3:56 PM
1:51 AM - 3:21 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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