Water Temperature of the Chicago River in Chicago, IL

Current Water Temperature

77.7°F

Measurement Time: Wednesday, September 9, 2026, 10:30 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

78°F
Mostly Cloudy
Mostly Cloudy
76%
W 10 mph
70°F

Weather Forecast

Cloudy
This Afternoon
78°F - Cloudy
Mostly Cloudy
Tonight
68°F - Mostly Cloudy
Partly Sunny
Thursday
77°F - Partly Sunny
Mostly Clear
Thursday Night
63°F - Mostly Clear
Sunny
Friday
78°F - Sunny
Mostly Clear
Friday Night
64°F - Mostly Clear
Mostly Sunny
Saturday
84°F - Mostly Sunny
Slight Chance Rain Showers
Saturday Night
67°F - Slight Chance Rain Showers
Slight Chance Rain Showers
Sunday
79°F - Slight Chance Rain Showers
Mostly Cloudy then Slight Chance Rain Showers
Sunday Night
68°F - Mostly Cloudy then Slight Chance Rain Showers
Chance Rain Showers
Monday
87°F - Chance Rain Showers
Chance Showers And Thunderstorms
Monday Night
71°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tuesday
80°F - Chance Showers And Thunderstorms
Chance Rain Showers
Tuesday Night
65°F - Chance Rain Showers

Astronomical

Sunrise: 6:25 AM
Sun Transit: 12:48 AM
Sunset: 7:10 PM
Daylight: 12 hrs 45 mins
Moonrise: 4:33 AM
Moon Transit: 11:37 AM
Moonset: 6:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:07 AM - 1:37 PM

Minor Periods

5:59 PM - 7:29 PM
4:03 AM - 5:33 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 12:48 AM
Sunset: 7:10 PM
Daylight: 12 hrs 45 mins
Moonrise: 4:33 AM
Moon Transit: 11:37 AM
Moonset: 6:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:07 AM - 1:37 PM

Minor Periods

5:59 PM - 7:29 PM
4:03 AM - 5:33 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 12:48 AM
Sunset: 7:10 PM
Daylight: 12 hrs 45 mins
Moonrise: 4:33 AM
Moon Transit: 11:37 AM
Moonset: 6:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:07 AM - 1:37 PM

Minor Periods

5:59 PM - 7:29 PM
4:03 AM - 5:33 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 12:47 AM
Sunset: 7:09 PM
Daylight: 12 hrs 42 mins
Moonrise: 5:47 AM
Moon Transit: 12:26 AM
Moonset: 6:52 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:56 AM - 2:26 PM

Minor Periods

6:22 PM - 7:52 PM
5:17 AM - 6:47 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 12:47 AM
Sunset: 7:09 PM
Daylight: 12 hrs 42 mins
Moonrise: 5:47 AM
Moon Transit: 12:26 AM
Moonset: 6:52 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:56 AM - 2:26 PM

Minor Periods

6:22 PM - 7:52 PM
5:17 AM - 6:47 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 12:47 AM
Sunset: 7:07 PM
Daylight: 12 hrs 40 mins
Moonrise: 6:59 AM
Moon Transit: 1:12 PM
Moonset: 7:13 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
12:42 AM - 3:12 PM

Minor Periods

6:43 PM - 8:13 PM
6:29 AM - 7:59 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 12:47 AM
Sunset: 7:07 PM
Daylight: 12 hrs 40 mins
Moonrise: 6:59 AM
Moon Transit: 1:12 PM
Moonset: 7:13 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
12:42 AM - 3:12 PM

Minor Periods

6:43 PM - 8:13 PM
6:29 AM - 7:59 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 12:46 AM
Sunset: 7:05 PM
Daylight: 12 hrs 37 mins
Moonrise: 8:09 AM
Moon Transit: 1:57 PM
Moonset: 7:35 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
1:27 PM - 3:57 PM

Minor Periods

7:05 PM - 8:35 PM
7:39 AM - 9:09 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 12:46 AM
Sunset: 7:05 PM
Daylight: 12 hrs 37 mins
Moonrise: 8:09 AM
Moon Transit: 1:57 PM
Moonset: 7:35 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
1:27 PM - 3:57 PM

Minor Periods

7:05 PM - 8:35 PM
7:39 AM - 9:09 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 12:46 AM
Sunset: 7:03 PM
Daylight: 12 hrs 34 mins
Moonrise: 9:17 AM
Moon Transit: 2:42 PM
Moonset: 7:58 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
2:12 PM - 4:42 PM

Minor Periods

7:28 PM - 8:58 PM
8:47 AM - 10:17 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 12:46 AM
Sunset: 7:03 PM
Daylight: 12 hrs 34 mins
Moonrise: 9:17 AM
Moon Transit: 2:42 PM
Moonset: 7:58 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
2:12 PM - 4:42 PM

Minor Periods

7:28 PM - 8:58 PM
8:47 AM - 10:17 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:46 AM
Sunset: 7:02 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:25 AM
Moon Transit: 3:28 PM
Moonset: 8:23 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
2:58 PM - 5:28 PM

Minor Periods

7:53 PM - 9:23 PM
9:55 AM - 11:25 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:46 AM
Sunset: 7:02 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:25 AM
Moon Transit: 3:28 PM
Moonset: 8:23 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
2:58 PM - 5:28 PM

Minor Periods

7:53 PM - 9:23 PM
9:55 AM - 11:25 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 12:45 AM
Sunset: 7:00 PM
Daylight: 12 hrs 29 mins
Moonrise: 11:32 AM
Moon Transit: 4:15 PM
Moonset: 8:53 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

3:41 AM - 6:11 AM
3:45 PM - 6:15 PM

Minor Periods

8:23 PM - 9:53 PM
11:02 AM - 12:32 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 12:45 AM
Sunset: 7:00 PM
Daylight: 12 hrs 29 mins
Moonrise: 11:32 AM
Moon Transit: 4:15 PM
Moonset: 8:53 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

3:41 AM - 6:11 AM
3:45 PM - 6:15 PM

Minor Periods

8:23 PM - 9:53 PM
11:02 AM - 12:32 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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