Water Temperature of the Saint Joseph River in Niles, MI

Current Water Temperature

74.7°F

Measurement Time: Monday, June 8, 2026, 10:45 AM EDT

Temperature Locations

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Local Points of Interest

Riverfront Park

Saint Joseph River

Station Name: Niles WWTP
Data Source: USGS

Elevation Above Sea Level: 643 feet

Nearest Address:
1 Marmont St
Niles, MI 49120
Berrien County

GPS Coordinates: 41.8406, -86.2658

Nearby Water Temperatures

St. Joseph River, Niles, MI (0.8 mi)
Lake Michigan, Stevensville, MI (20.6 mi)
Kankakee River, Hamlet, IN (38.6 mi)
Lake Michigan, South Haven, MI (38.6 mi)
Yellow River, Oak Grove, IN (40.7 mi)
Yellow River, Knox, IN (41.4 mi)
Yellow River, Knox, IN (44.2 mi)
Deep River, Lake Station, IN (56.2 mi)
Kankakee River, Dunns Bridge, IN (56.2 mi)
Kalamazoo River, Fennville, MI (56.6 mi)
Little Calumet River, Gary, IN (61.9 mi)
Indiana Harbor Canal, East Chicago, IN (63.4 mi)
Lake Michigan, Holland, MI (64.5 mi)
Grand Calumet River, Hammond, IN (65.5 mi)
Hart Ditch, Munster, IN (65.6 mi)

Weather for Niles, Michigan

Current Weather

82°F
Sunny
Sunny
88.4°F
93.8°F
79%
WSW 8.5 mph
10.6 mph
84.6°F
76.2°F
0 in
0%
8 mi
1019 mbar
3.7

Five Day Weather Forecast

Sunny
Thu
H: 98°F
L: 76°F
Sunny
Fri
H: 89°F
L: 72°F
Sunny
Sat
H: 87°F
L: 69°F
Sunny
Sun
H: 83°F
L: 65°F
Mist
Mon
H: 86°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 7.9 μg/m3
PM10: 9.3 μg/m3
Carbon Monoxide: 143 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 3.6 μg/m3
Ozone: 107 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:49 PM
Sunset: 9:24 PM
Daylight: 15 hrs 9 mins
Moonrise: 11:21 PM
Moon Transit: 3:39 AM
Moonset: 8:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
4:03 PM - 6:33 PM

Minor Periods

12:00 AM - 12:00 AM
8:02 AM - 9:32 AM

Action Rating: 2 out of 5

Extreme Heat Warning issued July 1 at 8:23PM EDT until July 2 at 8:00PM EDT by NWS Northern Indiana

Effective: Wed July 1, 2026, 8:23 PM
Expires: Thu July 2, 2026, 5:00 PM

* WHAT...Dangerously hot conditions with peak afternoon heat index values from 100 to 110 degrees expected. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...Until 8 PM EDT /7 PM CDT/ Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Peak afternoon heat indices around 100 degrees may extend into Friday.

Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Extreme Heat Warning issued July 2 at 3:58AM EDT until July 2 at 8:00PM EDT by NWS Northern Indiana

Effective: Thu July 2, 2026, 3:58 AM
Expires: Thu July 2, 2026, 8:00 PM

* WHAT...Dangerously hot conditions with heat index values of 100 to 110 degrees expected. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...Until 8 PM EDT /7 PM CDT/ this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Peak afternoon heat indices around 100 degrees may extend into Friday.

Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Thursday, July 2, 2026

Weather Forecast

Sunny
97.5°F
75.7°F
84.7°F
75%
0.01 in
17%
0%
14.5 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 7.58 μg/m3
PM10: 9.24 μg/m3
Carbon Monoxide: 137.13 μg/m3
Nitrogen Dioxide: 5.09 μg/m3
Sulphur Dioxide: 2.63 μg/m3
Ozone: 104.38 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:49 PM
Sunset: 9:24 PM
Daylight: 15 hrs 9 mins
Moonrise: 11:21 PM
Moon Transit: 3:39 AM
Moonset: 8:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
4:03 PM - 6:33 PM

Minor Periods

12:00 AM - 12:00 AM
8:02 AM - 9:32 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
89°F
72.4°F
80.1°F
79%
0 in
10%
0%
12.3 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 6.69 μg/m3
PM10: 7.39 μg/m3
Carbon Monoxide: 152.54 μg/m3
Nitrogen Dioxide: 6.57 μg/m3
Sulphur Dioxide: 3.02 μg/m3
Ozone: 102.21 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:49 PM
Sunset: 9:23 PM
Daylight: 15 hrs 8 mins
Moonrise: 12:21 AM
Moon Transit: 4:25 AM
Moonset: 9:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:55 AM - 6:25 AM
4:47 PM - 7:17 PM

Minor Periods

9:07 AM - 10:37 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
87.1°F
69°F
78.8°F
84%
0.39 in
77%
0%
13 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 5.97 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 157.79 μg/m3
Nitrogen Dioxide: 4.93 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 98.58 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:49 PM
Sunset: 9:23 PM
Daylight: 15 hrs 7 mins
Moonrise: 12:45 AM
Moon Transit: 5:08 AM
Moonset: 10:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
5:31 PM - 8:01 PM

Minor Periods

10:13 AM - 11:43 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Sunny
83.2°F
64.5°F
74.1°F
88%
0.35 in
84%
0%
8.7 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 3.57 μg/m3
PM10: 3.74 μg/m3
Carbon Monoxide: 157.13 μg/m3
Nitrogen Dioxide: 4.36 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 85.46 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:49 PM
Sunset: 9:23 PM
Daylight: 15 hrs 6 mins
Moonrise: 12:06 AM
Moon Transit: 5:51 AM
Moonset: 11:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

5:21 AM - 7:51 AM
6:13 PM - 8:43 PM

Minor Periods

11:18 AM - 12:48 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 6, 2026

Weather Forecast

Mist
86.2°F
60.3°F
70.3°F
86%
0.2 in
80%
0%
9.6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.77 μg/m3
PM10: 3.84 μg/m3
Carbon Monoxide: 176.11 μg/m3
Nitrogen Dioxide: 2.69 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 70.33 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:49 PM
Sunset: 9:23 PM
Daylight: 15 hrs 6 mins
Moonrise: 12:26 AM
Moon Transit: 1:15 PM
Moonset: 12:55 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 PM
12:45 AM - 3:15 PM

Minor Periods

12:25 AM - 1:55 PM
12:00 AM - 12:00 AM

Action Rating: 2 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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