Water Temperature of the Chicago River in Chicago, IL

Current Water Temperature

79.9°F

Measurement Time: Friday, September 4, 2026, 1:00 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

77°F
Mostly Sunny
Mostly Sunny
82%
SW 5 mph
71°F

Weather Forecast

Slight Chance Showers And Thunderstorms then Mostly Sunny
Today
94°F - Slight Chance Showers And Thunderstorms then Mostly Sunny
Chance Showers And Thunderstorms
Tonight
75°F - Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Mostly Sunny
Saturday
82°F - Slight Chance Showers And Thunderstorms then Mostly Sunny
Partly Cloudy
Saturday Night
69°F - Partly Cloudy
Mostly Sunny
Sunday
79°F - Mostly Sunny
Partly Cloudy
Sunday Night
66°F - Partly Cloudy
Mostly Sunny
Labor Day
80°F - Mostly Sunny
Mostly Cloudy
Monday Night
67°F - Mostly Cloudy
Partly Sunny
Tuesday
85°F - Partly Sunny
Mostly Cloudy then Chance Showers And Thunderstorms
Tuesday Night
73°F - Mostly Cloudy then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday
88°F - Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Wednesday Night
71°F - Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday
83°F - Chance Showers And Thunderstorms
Partly Cloudy
Thursday Night
66°F - Partly Cloudy

Astronomical

Sunrise: 6:20 AM
Sun Transit: 12:49 AM
Sunset: 7:19 PM
Daylight: 12 hrs 59 mins
Moonrise: 11:33 PM
Moon Transit: 6:44 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:14 AM - 8:44 AM
7:05 PM - 9:35 PM

Minor Periods

12:00 AM - 12:00 AM
2:28 PM - 3:58 PM

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: 6:20 AM
Sun Transit: 12:49 AM
Sunset: 7:19 PM
Daylight: 12 hrs 59 mins
Moonrise: 11:33 PM
Moon Transit: 6:44 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:14 AM - 8:44 AM
7:05 PM - 9:35 PM

Minor Periods

12:00 AM - 12:00 AM
2:28 PM - 3:58 PM

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: 6:20 AM
Sun Transit: 12:49 AM
Sunset: 7:19 PM
Daylight: 12 hrs 59 mins
Moonrise: 11:33 PM
Moon Transit: 6:44 AM
Moonset: 2:58 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:14 AM - 8:44 AM
7:05 PM - 9:35 PM

Minor Periods

12:00 AM - 12:00 AM
2:28 PM - 3:58 PM

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: 6:21 AM
Sun Transit: 12:49 AM
Sunset: 7:17 PM
Daylight: 12 hrs 56 mins
Moonrise: 12:33 AM
Moon Transit: 7:47 AM
Moonset: 4:00 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
8:08 PM - 10:38 PM

Minor Periods

3:30 PM - 5:00 PM
12:00 AM - 12:00 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: 6:21 AM
Sun Transit: 12:49 AM
Sunset: 7:17 PM
Daylight: 12 hrs 56 mins
Moonrise: 12:33 AM
Moon Transit: 7:47 AM
Moonset: 4:00 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
8:08 PM - 10:38 PM

Minor Periods

3:30 PM - 5:00 PM
12:00 AM - 12:00 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: 6:22 AM
Sun Transit: 12:49 AM
Sunset: 7:15 PM
Daylight: 12 hrs 53 mins
Moonrise: 12:41 AM
Moon Transit: 8:49 AM
Moonset: 4:50 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
9:09 PM - 11:39 PM

Minor Periods

4:20 PM - 5:50 PM
12:11 AM - 1:41 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: 6:22 AM
Sun Transit: 12:49 AM
Sunset: 7:15 PM
Daylight: 12 hrs 53 mins
Moonrise: 12:41 AM
Moon Transit: 8:49 AM
Moonset: 4:50 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
9:09 PM - 11:39 PM

Minor Periods

4:20 PM - 5:50 PM
12:11 AM - 1:41 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: 6:23 AM
Sun Transit: 12:48 AM
Sunset: 7:14 PM
Daylight: 12 hrs 51 mins
Moonrise: 1:57 AM
Moon Transit: 9:49 AM
Moonset: 5:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:19 AM - 11:49 AM

Minor Periods

5:00 PM - 6:30 PM
1:27 AM - 2:57 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: 6:23 AM
Sun Transit: 12:48 AM
Sunset: 7:14 PM
Daylight: 12 hrs 51 mins
Moonrise: 1:57 AM
Moon Transit: 9:49 AM
Moonset: 5:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:19 AM - 11:49 AM

Minor Periods

5:00 PM - 6:30 PM
1:27 AM - 2:57 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: 6:24 AM
Sun Transit: 12:48 AM
Sunset: 7:12 PM
Daylight: 12 hrs 48 mins
Moonrise: 3:15 AM
Moon Transit: 10:45 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:15 AM - 12:45 AM

Minor Periods

5:32 PM - 7:02 PM
2:45 AM - 4:15 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: 6:24 AM
Sun Transit: 12:48 AM
Sunset: 7:12 PM
Daylight: 12 hrs 48 mins
Moonrise: 3:15 AM
Moon Transit: 10:45 AM
Moonset: 6:02 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:15 AM - 12:45 AM

Minor Periods

5:32 PM - 7:02 PM
2:45 AM - 4:15 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

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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