Water Temperature of the St. Clair River in Algonac, MI

Current Water Temperature

47.1°F

Measurement Time: Tuesday, April 28, 2026, 8:12 AM EDT

Temperature Locations

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Local Points of Interest

Russell Island; Walpole Island

St. Clair River

Station Name: Algonac
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 571 feet

Sensor Depth: -6 feet

Nearest Address:
1530 Saint Clair River Dr
Algonac, MI 48001
St. Clair County

GPS Coordinates: 42.621113, -82.526665

Nearby Water Temperatures

Clinton River, Mt. Clemens, MI (19.5 mi)
Clinton River, Sterling Heights, MI (25.4 mi)
Lake Huron, Lakeport, MI (35.8 mi)
Detroit River, Detroit, MI (36.7 mi)
River Rouge, Detroit, MI (40.9 mi)
Lower River Rouge, Dearborn, MI (42.9 mi)
River Raisin, Monroe, MI (68.7 mi)
Lake Erie, Marblehead, OH (75.2 mi)
Lake Huron, Harbor Beach, MI (84.9 mi)
Grand River, Fairport Harbor, OH (87.2 mi)
Lake Erie, Cleveland, OH (87.5 mi)
Shiawassee River, Saginaw, MI (89.2 mi)
Saginaw River, Saginaw, MI (90.8 mi)
Tittabawassee River, Freeland, MI (102 mi)
Lake Huron, Port Austin, MI (115 mi)

Weather for Algonac, Michigan

Current Weather

63.3°F
Light rain
Light rain
63.3°F
60.9°F
88%
SSW 21.7 mph
36.6 mph
60.7°F
58°F
0 in
100%
9 mi
1005 mbar
0.1

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 67°F
L: 51°F
Partly Cloudy
Wed
H: 50°F
L: 41°F
Patchy rain nearby
Thu
H: 51°F
L: 38°F
Patchy rain nearby
Fri
H: 48°F
L: 36°F
Patchy rain nearby
Sat
H: 49°F
L: 34°F

Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 206.85 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:27 PM
Sunset: 8:27 PM
Daylight: 13 hrs 58 mins
Moonrise: 5:42 PM
Moon Transit: 11:32 PM
Moonset: 4:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

11:43 AM - 2:13 PM
12:00 AM - 12:00 AM

Minor Periods

5:12 PM - 6:42 PM
4:24 AM - 5:54 AM

Action Rating: 2 out of 5

Tuesday, April 28, 2026

Weather Forecast

Patchy rain nearby
66.6°F
51.4°F
59.8°F
75%
0.05 in
88%
0%
21.7 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 6.06 μg/m3
PM10: 6.5 μg/m3
Carbon Monoxide: 185.13 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 92.76 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:27 PM
Sunset: 8:27 PM
Daylight: 13 hrs 58 mins
Moonrise: 5:42 PM
Moon Transit: 11:32 PM
Moonset: 4:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

11:43 AM - 2:13 PM
12:00 AM - 12:00 AM

Minor Periods

5:12 PM - 6:42 PM
4:24 AM - 5:54 AM

Action Rating: 2 out of 5

Wednesday, April 29, 2026

Weather Forecast

Partly Cloudy
50.1°F
40.6°F
46.6°F
77%
0 in
0%
0%
14.5 mph
3.9


Air Quality

AQI: 1 - Good
PM2.5: 4.14 μg/m3
PM10: 4.5 μg/m3
Carbon Monoxide: 180.45 μg/m3
Nitrogen Dioxide: 6.14 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:27 PM
Sunset: 8:28 PM
Daylight: 14 hrs 1 mins
Moonrise: 6:47 PM
Moon Transit: 12:00 AM
Moonset: 5:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:25 AM - 2:55 PM

Minor Periods

6:17 PM - 7:47 PM
4:43 AM - 6:13 AM

Action Rating: 3 out of 5

Thursday, April 30, 2026

Weather Forecast

Patchy rain nearby
51.2°F
37.8°F
44.6°F
70%
0.03 in
88%
0%
8.9 mph
5.3


Air Quality

AQI: 1 - Good
PM2.5: 1.95 μg/m3
PM10: 2.07 μg/m3
Carbon Monoxide: 154.77 μg/m3
Nitrogen Dioxide: 3.29 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 78.32 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:27 PM
Sunset: 8:30 PM
Daylight: 14 hrs 3 mins
Moonrise: 7:52 PM
Moon Transit: 12:15 AM
Moonset: 5:33 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:08 PM - 3:38 PM

Minor Periods

7:22 PM - 8:52 PM
5:03 AM - 6:33 AM

Action Rating: 5 out of 5

Friday, May 1, 2026

Weather Forecast

Patchy rain nearby
48.4°F
36.4°F
42.4°F
72%
0.01 in
78%
0%
14.1 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 2.61 μg/m3
PM10: 2.67 μg/m3
Carbon Monoxide: 164.91 μg/m3
Nitrogen Dioxide: 4.98 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 66.88 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:27 PM
Sunset: 8:31 PM
Daylight: 14 hrs 6 mins
Moonrise: 8:58 PM
Moon Transit: 12:58 AM
Moonset: 5:56 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 AM
1:52 PM - 4:22 PM

Minor Periods

8:28 PM - 9:58 PM
5:26 AM - 6:56 AM

Action Rating: 4 out of 5

Saturday, May 2, 2026

Weather Forecast

Patchy rain nearby
48.8°F
33.5°F
39.9°F
68%
0.01 in
85%
0%
9.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.44 μg/m3
PM10: 2.52 μg/m3
Carbon Monoxide: 158.64 μg/m3
Nitrogen Dioxide: 4.63 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 65.54 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:27 PM
Sunset: 8:32 PM
Daylight: 14 hrs 8 mins
Moonrise: 10:03 PM
Moon Transit: 1:44 AM
Moonset: 6:23 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:14 AM - 3:44 AM
2:39 PM - 5:09 PM

Minor Periods

9:33 PM - 11:03 PM
5:53 AM - 7:23 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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