Water Temperature of the Chicago River in Chicago, IL

Current Water Temperature

78.1°F

Measurement Time: Monday, July 13, 2026, 12:30 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

91°F
Sunny
Sunny
103°F
91.5°F
41%
E 2.9 mph
4.6 mph
85.8°F
70.8°F
0 in
0%
9 mi
1020 mbar
0.4

Five Day Weather Forecast

Sunny
Mon
H: 92°F
L: 65°F
Sunny
Tue
H: 90°F
L: 71°F
Sunny
Wed
H: 91°F
L: 75°F
Sunny
Thu
H: 90°F
L: 76°F
Sunny
Fri
H: 88°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 12.5 μg/m3
PM10: 13.8 μg/m3
Carbon Monoxide: 145 μg/m3
Nitrogen Dioxide: 5.2 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 152 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:56 AM
Sunset: 8:26 PM
Daylight: 14 hrs 58 mins
Moonrise: 4:05 AM
Moon Transit: 12:16 AM
Moonset: 8:20 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:46 AM - 2:16 PM

Minor Periods

7:50 PM - 9:20 PM
3:35 AM - 5:05 AM

Action Rating: 4 out of 5

Air Quality Alert issued July 13 at 11:44AM CDT by NWS Chicago IL

Effective: Mon July 13, 2026, 11:44 AM
Expires: Wed July 15, 2026, 12:00 AM

The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, IN EFFECT UNTIL MIDNIGHT CDT TUESDAY NIGHT. An Air Quality Action Day for ozone has been issued. Ozone levels are expected to be in the Unhealthy for Sensitive Groups range. Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/


Air Quality Alert issued July 13 at 11:26AM CDT by NWS Chicago IL

Effective: Mon July 13, 2026, 11:26 AM
Expires: Wed July 15, 2026, 12:00 AM

The officials at the Indiana Department of Environmental Management have declared an Air Quality Action Day, IN EFFECT UNTIL MIDNIGHT CDT TUESDAY NIGHT. An Air Quality Action Day for ozone has been issued. Ozone levels are expected to be in the Unhealthy for Sensitive Groups range. Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure. Here are some recommended actions that the public can take: * Walk, bike, carpool or use public transportation. * Avoid using the drive-through and combine errands into one trip. * Avoid refueling your vehicle or using gasoline-powered lawn equipment until after 7pm. * Turn off your engine when idling for more than 30 seconds. * Conserve energy by turning off lights or setting the air conditioner to 75 degrees or above. For additional information, please visit the IDEM Smog page at: http://www.in.gov/idem/airmonitoring/smogwatch/
Monday, July 13, 2026

Weather Forecast

Sunny
91.6°F
65.3°F
79.4°F
66%
0 in
4%
0%
4.9 mph
9.7


Air Quality

AQI: 2 - Moderate
PM2.5: 18.43 μg/m3
PM10: 19.45 μg/m3
Carbon Monoxide: 214 μg/m3
Nitrogen Dioxide: 24.55 μg/m3
Sulphur Dioxide: 2.78 μg/m3
Ozone: 99.42 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:56 AM
Sunset: 8:26 PM
Daylight: 14 hrs 58 mins
Moonrise: 4:05 AM
Moon Transit: 12:16 AM
Moonset: 8:20 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:46 AM - 2:16 PM

Minor Periods

7:50 PM - 9:20 PM
3:35 AM - 5:05 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
90.3°F
70.9°F
81.9°F
64%
0 in
4%
0%
4.3 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 11.62 μg/m3
PM10: 12.25 μg/m3
Carbon Monoxide: 198.79 μg/m3
Nitrogen Dioxide: 13.77 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 110.67 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 12:56 AM
Sunset: 8:25 PM
Daylight: 14 hrs 57 mins
Moonrise: 5:24 AM
Moon Transit: 1:20 PM
Moonset: 9:03 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
12:50 AM - 3:20 PM

Minor Periods

8:33 PM - 10:03 PM
4:54 AM - 6:24 AM

Action Rating: 4 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
90.9°F
75.4°F
83.7°F
66%
0 in
5%
0%
5.4 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 9.59 μg/m3
PM10: 9.93 μg/m3
Carbon Monoxide: 171.63 μg/m3
Nitrogen Dioxide: 12.26 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 113 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:56 AM
Sunset: 8:24 PM
Daylight: 14 hrs 55 mins
Moonrise: 6:46 AM
Moon Transit: 2:18 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:39 AM - 4:09 AM
1:48 PM - 4:18 PM

Minor Periods

9:07 PM - 10:37 PM
6:16 AM - 7:46 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
89.6°F
76.1°F
81.3°F
71%
0.02 in
36%
0%
9.2 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 10.3 μg/m3
PM10: 10.46 μg/m3
Carbon Monoxide: 194.35 μg/m3
Nitrogen Dioxide: 12.8 μg/m3
Sulphur Dioxide: 2.23 μg/m3
Ozone: 99 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:56 AM
Sunset: 8:24 PM
Daylight: 14 hrs 54 mins
Moonrise: 8:05 AM
Moon Transit: 3:11 PM
Moonset: 10:04 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

2:35 AM - 5:05 AM
2:41 PM - 5:11 PM

Minor Periods

9:34 PM - 11:04 PM
7:35 AM - 9:05 AM

Action Rating: 4 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
87.9°F
72.8°F
79.7°F
64%
0.12 in
57%
0%
6.3 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 12.26 μg/m3
PM10: 12.48 μg/m3
Carbon Monoxide: 230.75 μg/m3
Nitrogen Dioxide: 26.83 μg/m3
Sulphur Dioxide: 2.71 μg/m3
Ozone: 68.13 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:56 AM
Sunset: 8:23 PM
Daylight: 14 hrs 52 mins
Moonrise: 9:20 AM
Moon Transit: 4:00 PM
Moonset: 10:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
3:30 PM - 6:00 PM

Minor Periods

9:57 PM - 11:27 PM
8:50 AM - 10:20 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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