Water Temperature of the Grand Calumet River in Hammond, IN

Current Water Temperature

74.5°F

Measurement Time: Friday, July 31, 2026, 8:00 AM CDT

Temperature Locations

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Local Points of Interest

Columbia Park; Calumet City, IL

Grand Calumet River

Station Name: GRAND CALUMET RIVER AT COLUMBIA AV AT HAMMOND, IN
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 597 feet

Nearest Address:
5225 Columbia Ave
Hammond, IN 46320
Lake County

GPS Coordinates: 41.6186111, -87.4998333

Nearby Water Temperatures

Indiana Harbor Canal, East Chicago, IN (2.7 mi)
Grand Calumet River, Chicago, IL (3.8 mi)
Hart Ditch, Munster, IN (4.1 mi)
Little Calumet River, Gary, IN (6.3 mi)
Plum Creek, Dyer, IN (7.7 mi)
Cal-Sag Channel, Blue Island, IL (9.1 mi)
Deep River, Lake Station, IN (11.2 mi)
Chicago River, Chicago, IL (17.9 mi)
Lake Michigan, Chicago, IL (19.2 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (28.9 mi)
Des Plaines River, Lockport, IL (30.1 mi)
Des Plaines River, Joliet, IL (30.6 mi)
Kankakee River, Shelby, IN (31.2 mi)
Des Plaines River, Rockdale, IL (32.4 mi)
Lake Michigan, Wilmette, IL (36.6 mi)

Weather for Hammond, Indiana

Current Weather

82.4°F
Sunny
Sunny
84.3°F
83.6°F
58%
S 11.6 mph
13.4 mph
81.9°F
63.3°F
0 in
0%
10 mi
1015 mbar
6.2

Five Day Weather Forecast

Sunny
Fri
H: 89°F
L: 65°F
Light rain shower
Sat
H: 69°F
L: 66°F
Patchy rain nearby
Sun
H: 72°F
L: 67°F
Sunny
Mon
H: 76°F
L: 65°F
Sunny
Tue
H: 80°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 3.8 μg/m3
Carbon Monoxide: 149 μg/m3
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 3.4 μg/m3
Ozone: 105 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:56 AM
Sunset: 8:09 PM
Daylight: 14 hrs 25 mins
Moonrise: 9:16 PM
Moon Transit: 2:12 AM
Moonset: 7:40 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:42 AM - 4:12 AM
2:25 PM - 4:55 PM

Minor Periods

8:46 PM - 10:16 PM
7:10 AM - 8:40 AM

Action Rating: 3 out of 5

Beach Hazards Statement issued July 31 at 3:32AM CDT until August 3 at 9:00AM CDT by NWS Chicago IL

Effective: Fri July 31, 2026, 3:32 AM
Expires: Fri July 31, 2026, 11:45 AM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 5 to 8 feet expected. * WHERE...Lake IN and Porter Counties. * WHEN...From Saturday morning through Monday morning. * 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.


Small Craft Advisory issued July 31 at 3:16AM CDT until August 3 at 3:00AM CDT by NWS Chicago IL

Effective: Fri July 31, 2026, 3:16 AM
Expires: Fri July 31, 2026, 11:30 AM

* WHAT...Northeast winds to 30 kt and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 9 AM Saturday to 3 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 31 at 10:10AM CDT until August 3 at 3:00AM CDT by NWS Chicago IL

Effective: Fri July 31, 2026, 10:10 AM
Expires: Fri July 31, 2026, 6:15 PM

* WHAT...Northeast winds to 30 kt and significant waves to 9 ft occasionally to 12 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 9 AM Saturday to 3 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Friday, July 31, 2026

Weather Forecast

Sunny
88.5°F
65.1°F
73.9°F
76%
0.05 in
57%
0%
11.6 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 8.9 μg/m3
PM10: 9.02 μg/m3
Carbon Monoxide: 195.75 μg/m3
Nitrogen Dioxide: 21.93 μg/m3
Sulphur Dioxide: 3.46 μg/m3
Ozone: 70.38 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:56 AM
Sunset: 8:09 PM
Daylight: 14 hrs 25 mins
Moonrise: 9:16 PM
Moon Transit: 2:12 AM
Moonset: 7:40 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:42 AM - 4:12 AM
2:25 PM - 4:55 PM

Minor Periods

8:46 PM - 10:16 PM
7:10 AM - 8:40 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Light rain shower
68.6°F
65.8°F
67.5°F
96%
1.63 in
94%
0%
15.9 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 6.07 μg/m3
PM10: 6.22 μg/m3
Carbon Monoxide: 147.08 μg/m3
Nitrogen Dioxide: 6.86 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 84.13 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:56 AM
Sunset: 8:08 PM
Daylight: 14 hrs 23 mins
Moonrise: 9:37 PM
Moon Transit: 2:56 AM
Moonset: 8:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:26 AM - 4:56 AM
3:08 PM - 5:38 PM

Minor Periods

9:07 PM - 10:37 PM
8:16 AM - 9:46 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Patchy rain nearby
72.3°F
67.4°F
68.9°F
86%
0.07 in
73%
0%
17.2 mph
2.6


Air Quality

AQI: 1 - Good
PM2.5: 5.12 μg/m3
PM10: 5.2 μg/m3
Carbon Monoxide: 133.29 μg/m3
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 89.71 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 12:56 AM
Sunset: 8:06 PM
Daylight: 14 hrs 21 mins
Moonrise: 9:57 PM
Moon Transit: 3:38 AM
Moonset: 9:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:08 AM - 5:38 AM
5:20 PM - 7:50 PM

Minor Periods

9:27 PM - 10:57 PM
9:22 AM - 10:52 AM

Action Rating: 4 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
76.2°F
65.2°F
70°F
70%
0 in
7%
0%
10.5 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 7.8 μg/m3
PM10: 7.87 μg/m3
Carbon Monoxide: 149.85 μg/m3
Nitrogen Dioxide: 10.01 μg/m3
Sulphur Dioxide: 2.46 μg/m3
Ozone: 76.96 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:56 AM
Sunset: 8:05 PM
Daylight: 14 hrs 19 mins
Moonrise: 10:20 PM
Moon Transit: 12:00 AM
Moonset: 11:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:35 PM - 7:05 PM

Minor Periods

9:50 PM - 11:20 PM
10:30 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
79.8°F
60.5°F
70.9°F
68%
0 in
5%
0%
6.5 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 13.24 μg/m3
PM10: 13.29 μg/m3
Carbon Monoxide: 263.75 μg/m3
Nitrogen Dioxide: 28.85 μg/m3
Sulphur Dioxide: 7.08 μg/m3
Ozone: 35.63 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 12:56 AM
Sunset: 8:04 PM
Daylight: 14 hrs 17 mins
Moonrise: 10:45 PM
Moon Transit: 5:08 AM
Moonset: 12:11 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
5:22 PM - 7:52 PM

Minor Periods

10:15 PM - 11:45 PM
11:41 AM - 1:11 PM

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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