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

Current Water Temperature

72.7°F

Measurement Time: Saturday, September 5, 2026, 1:48 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

67°F
Cloudy
Cloudy
98%
NE 2 mph
67°F

Weather Forecast

Chance Rain Showers
Overnight
62°F - Chance Rain Showers
Slight Chance Rain Showers then Partly Sunny
Saturday
78°F - Slight Chance Rain Showers then Partly Sunny
Partly Cloudy
Saturday Night
57°F - Partly Cloudy
Mostly Sunny
Sunday
77°F - Mostly Sunny
Partly Cloudy
Sunday Night
56°F - Partly Cloudy
Sunny
Labor Day
78°F - Sunny
Partly Cloudy
Monday Night
58°F - Partly Cloudy
Partly Sunny
Tuesday
80°F - Partly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Tuesday Night
66°F - Mostly Cloudy then Slight Chance Rain Showers
Chance Rain Showers
Wednesday
87°F - Chance Rain Showers
Mostly Cloudy then Slight Chance Showers And Thunderstorms
Wednesday Night
66°F - Mostly Cloudy then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Mostly Sunny
Thursday
78°F - Slight Chance Showers And Thunderstorms then Mostly Sunny
Partly Cloudy
Thursday Night
56°F - Partly Cloudy
Mostly Sunny
Friday
74°F - Mostly Sunny

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:28 PM
Sunset: 7:57 PM
Daylight: 12 hrs 58 mins
Moonrise: 12:08 AM
Moon Transit: 8:25 AM
Moonset: 4:42 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:55 AM - 10:25 AM
12:00 AM - 12:00 AM

Minor Periods

4:12 PM - 5:42 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:28 PM
Sunset: 7:57 PM
Daylight: 12 hrs 58 mins
Moonrise: 12:08 AM
Moon Transit: 8:25 AM
Moonset: 4:42 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:55 AM - 10:25 AM
12:00 AM - 12:00 AM

Minor Periods

4:12 PM - 5:42 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:28 PM
Sunset: 7:57 PM
Daylight: 12 hrs 58 mins
Moonrise: 12:08 AM
Moon Transit: 8:25 AM
Moonset: 4:42 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:55 AM - 10:25 AM
12:00 AM - 12:00 AM

Minor Periods

4:12 PM - 5:42 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:28 PM
Sunset: 7:57 PM
Daylight: 12 hrs 58 mins
Moonrise: 12:08 AM
Moon Transit: 8:25 AM
Moonset: 4:42 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:55 AM - 10:25 AM
12:00 AM - 12:00 AM

Minor Periods

4:12 PM - 5:42 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:28 PM
Sunset: 7:56 PM
Daylight: 12 hrs 55 mins
Moonrise: 1:16 AM
Moon Transit: 9:28 AM
Moonset: 5:32 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:58 AM - 11:28 AM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
12:46 AM - 2:16 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:28 PM
Sunset: 7:56 PM
Daylight: 12 hrs 55 mins
Moonrise: 1:16 AM
Moon Transit: 9:28 AM
Moonset: 5:32 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:58 AM - 11:28 AM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
12:46 AM - 2:16 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:28 PM
Sunset: 7:54 PM
Daylight: 12 hrs 52 mins
Moonrise: 2:32 AM
Moon Transit: 10:28 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:58 AM - 12:28 AM

Minor Periods

5:42 PM - 7:12 PM
2:02 AM - 3:32 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:28 PM
Sunset: 7:54 PM
Daylight: 12 hrs 52 mins
Moonrise: 2:32 AM
Moon Transit: 10:28 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:58 AM - 12:28 AM

Minor Periods

5:42 PM - 7:12 PM
2:02 AM - 3:32 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 1:27 PM
Sunset: 7:52 PM
Daylight: 12 hrs 50 mins
Moonrise: 3:51 AM
Moon Transit: 11:24 AM
Moonset: 6:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:54 AM - 1:24 PM

Minor Periods

6:13 PM - 7:43 PM
3:21 AM - 4:51 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 1:27 PM
Sunset: 7:52 PM
Daylight: 12 hrs 50 mins
Moonrise: 3:51 AM
Moon Transit: 11:24 AM
Moonset: 6:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:54 AM - 1:24 PM

Minor Periods

6:13 PM - 7:43 PM
3:21 AM - 4:51 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 1:27 PM
Sunset: 7:50 PM
Daylight: 12 hrs 47 mins
Moonrise: 5:09 AM
Moon Transit: 12:16 AM
Moonset: 7:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 AM
11:46 AM - 2:16 PM

Minor Periods

6:39 PM - 8:09 PM
4:39 AM - 6:09 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 1:27 PM
Sunset: 7:50 PM
Daylight: 12 hrs 47 mins
Moonrise: 5:09 AM
Moon Transit: 12:16 AM
Moonset: 7:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 AM
11:46 AM - 2:16 PM

Minor Periods

6:39 PM - 8:09 PM
4:39 AM - 6:09 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:27 PM
Sunset: 7:48 PM
Daylight: 12 hrs 44 mins
Moonrise: 6:25 AM
Moon Transit: 1:04 PM
Moonset: 7:31 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:12 AM - 3:42 AM
12:34 AM - 3:04 PM

Minor Periods

7:01 PM - 8:31 PM
5:55 AM - 7:25 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:27 PM
Sunset: 7:48 PM
Daylight: 12 hrs 44 mins
Moonrise: 6:25 AM
Moon Transit: 1:04 PM
Moonset: 7:31 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:12 AM - 3:42 AM
12:34 AM - 3:04 PM

Minor Periods

7:01 PM - 8:31 PM
5:55 AM - 7:25 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 1:26 PM
Sunset: 7:47 PM
Daylight: 12 hrs 41 mins
Moonrise: 7:37 AM
Moon Transit: 1:50 PM
Moonset: 7:52 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
1:20 PM - 3:50 PM

Minor Periods

7:22 PM - 8:52 PM
7:07 AM - 8:37 AM

Action Rating: 5 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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