Water Temperature of the Saint Joseph River in Niles, MI

Current Water Temperature

58.6°F

Measurement Time: Friday, May 1, 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

28.9°F
Clear
Clear
25.6°F
33.1°F
92%
NNE 3.1 mph
6.6 mph
31.8°F
28.9°F
0 in
0%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 55°F
L: 32°F
Patchy rain nearby
Sun
H: 56°F
L: 37°F
Moderate rain
Mon
H: 70°F
L: 50°F
Patchy rain nearby
Tue
H: 53°F
L: 40°F
Patchy rain nearby
Wed
H: 54°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 2.75 μg/m3
PM10: 2.95 μg/m3
Carbon Monoxide: 160.85 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:42 PM
Sunset: 8:45 PM
Daylight: 14 hrs 5 mins
Moonrise: 10:16 PM
Moon Transit: 2:00 AM
Moonset: 6:41 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
2:24 PM - 4:54 PM

Minor Periods

9:46 PM - 11:16 PM
6:11 AM - 7:41 AM

Action Rating: 4 out of 5

Freeze Warning issued May 1 at 11:53AM EDT until May 2 at 9:00AM EDT by NWS Northern Indiana

Effective: Fri May 1, 2026, 11:53 AM
Expires: Sat May 2, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...From 2 AM EDT /1 AM CDT/ to 9 AM EDT /8 AM CDT/ Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...It is possible that clouds impact how far temperatures fall tonight, but initial indications are that temperatures will have fallen to freezing before clouds arrive.

Take steps now to protect tender plants from the cold.


Freeze Warning issued May 1 at 7:55PM EDT until May 2 at 9:00AM EDT by NWS Grand Rapids MI

Effective: Fri May 1, 2026, 7:55 PM
Expires: Sat May 2, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Portions of central, south central, southwest, and west central Michigan. * WHEN...From midnight tonight to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Freeze Warning issued May 2 at 2:22AM EDT until May 2 at 9:00AM EDT by NWS Grand Rapids MI

Effective: Sat May 2, 2026, 2:22 AM
Expires: Sat May 2, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures as low as 25. * WHERE...Portions of central, south central, southwest, and west central Michigan. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Frost Advisory issued May 1 at 11:53AM EDT until May 2 at 9:00AM EDT by NWS Northern Indiana

Effective: Fri May 1, 2026, 11:53 AM
Expires: Sat May 2, 2026, 9:00 AM

* WHAT...Temperatures falling through the 30s will result in frost formation. * WHERE...Portions of northern Indiana and northwest Ohio. * WHEN...From 2 AM EDT /1 AM CDT/ to 9 AM EDT /8 AM CDT/ Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...It is possible that clouds impact how far temperatures fall tonight.

Take steps now to protect tender plants from the cold.
Saturday, May 2, 2026

Weather Forecast

Sunny
55.4°F
32.4°F
40.9°F
64%
0 in
0%
0%
12.8 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 3.39 μg/m3
PM10: 4.09 μg/m3
Carbon Monoxide: 157.97 μg/m3
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 78.44 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:42 PM
Sunset: 8:45 PM
Daylight: 14 hrs 5 mins
Moonrise: 10:16 PM
Moon Transit: 2:00 AM
Moonset: 6:41 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
2:24 PM - 4:54 PM

Minor Periods

9:46 PM - 11:16 PM
6:11 AM - 7:41 AM

Action Rating: 4 out of 5

Sunday, May 3, 2026

Weather Forecast

Patchy rain nearby
56.3°F
36.5°F
47.1°F
70%
0.15 in
89%
0%
15.9 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 7.78 μg/m3
PM10: 9.26 μg/m3
Carbon Monoxide: 180.29 μg/m3
Nitrogen Dioxide: 6.49 μg/m3
Sulphur Dioxide: 2.86 μg/m3
Ozone: 83.6 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:41 PM
Sunset: 8:46 PM
Daylight: 14 hrs 7 mins
Moonrise: 11:18 PM
Moon Transit: 2:47 AM
Moonset: 7:14 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

2:17 AM - 4:47 AM
3:13 PM - 5:43 PM

Minor Periods

12:00 AM - 12:00 AM
6:44 AM - 8:14 AM

Action Rating: 4 out of 5

Monday, May 4, 2026

Weather Forecast

Moderate rain
69.6°F
50.1°F
58.3°F
88%
0.66 in
83%
0%
19.2 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 9.66 μg/m3
PM10: 10.47 μg/m3
Carbon Monoxide: 176.57 μg/m3
Nitrogen Dioxide: 7.4 μg/m3
Sulphur Dioxide: 3.18 μg/m3
Ozone: 85.84 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:41 PM
Sunset: 8:47 PM
Daylight: 14 hrs 10 mins
Moonrise: 12:18 AM
Moon Transit: 3:37 AM
Moonset: 7:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

3:07 AM - 5:37 AM
4:03 PM - 6:33 PM

Minor Periods

7:24 AM - 8:54 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, May 5, 2026

Weather Forecast

Patchy rain nearby
52.9°F
39.8°F
47.7°F
73%
0.07 in
79%
0%
11.6 mph
2.4


Air Quality

AQI: 1 - Good
PM2.5: 7.94 μg/m3
PM10: 8.98 μg/m3
Carbon Monoxide: 162.37 μg/m3
Nitrogen Dioxide: 6.99 μg/m3
Sulphur Dioxide: 2.39 μg/m3
Ozone: 83.12 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:41 PM
Sunset: 8:48 PM
Daylight: 14 hrs 12 mins
Moonrise: 12:15 AM
Moon Transit: 4:28 AM
Moonset: 8:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:58 AM - 6:28 AM
4:55 PM - 7:25 PM

Minor Periods

8:12 AM - 9:42 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, May 6, 2026

Weather Forecast

Patchy rain nearby
53.7°F
41°F
45.9°F
73%
0.04 in
83%
0%
10.5 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 1.9 μg/m3
PM10: 2.02 μg/m3
Carbon Monoxide: 156.35 μg/m3
Nitrogen Dioxide: 4.77 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:41 PM
Sunset: 8:49 PM
Daylight: 14 hrs 14 mins
Moonrise: 1:04 AM
Moon Transit: 5:19 AM
Moonset: 9:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:49 AM - 7:19 AM
5:46 PM - 8:16 PM

Minor Periods

9:07 AM - 10:37 AM
12:34 AM - 2:04 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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