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

Current Water Temperature

32.2°F

Measurement Time: Monday, February 9, 2026, 4:00 AM EST

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

1.8°F
Clear
Clear
-9.3°F
4.1°F
79%
SE 5.6 mph
11.7 mph
-2.2°F
-0.4°F
0 in
0%
9 mi
1029 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 31°F
L: 3°F
Overcast
Tue
H: 34°F
L: 19°F
Overcast
Wed
H: 30°F
L: 24°F
Partly Cloudy
Thu
H: 25°F
L: 15°F
Sunny
Fri
H: 26°F
L: 12°F

Air Quality

AQI: 1 - Good
PM2.5: 14.15 μg/m3
PM10: 14.45 μg/m3
Carbon Monoxide: 223.85 μg/m3
Nitrogen Dioxide: 10.65 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:44 AM
Sunset: 5:54 PM
Daylight: 10 hrs 20 mins
Moonrise: 1:35 AM
Moon Transit: 6:16 AM
Moonset: 10:51 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:46 AM - 8:16 AM
7:11 PM - 9:41 PM

Minor Periods

10:21 AM - 11:51 AM
1:05 AM - 2:35 AM

Action Rating: 2 out of 5

yellow warning - cold - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Sun February 8, 2026, 3:09 PM
Expires: Mon February 9, 2026, 7:09 AM

A period of very cold wind chills continues. What: Wind chills near minus 30. When: Tonight into Monday morning. ### Extreme cold puts everyone at risk. Risks are greater for young children, older adults, people with chronic illnesses, people working or exercising outdoors, and those without proper shelter. Cold warnings are issued when very cold temperatures or wind chill creates an elevated risk to health such as frost bite and hypothermia. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.

Dress warmly. Dress in layers that you can remove if you get too warm. The outer layer should be wind resistant. Cover up. Frostbite can develop within minutes on exposed skin, especially with wind chill. If it’s too cold for you to stay outside, it’s too cold for your pet to stay outside. Watch for colour changes on fingers and toes, pain, numbness, a tingling sensation, or swelling. If present, move indoors and begin warming. Outdoor workers should take regularly scheduled breaks to warm up.


yellow warning - cold - in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Sun February 8, 2026, 9:41 AM
Expires: Mon February 9, 2026, 1:41 AM

A period of very cold wind chills continues. What: Wind chills near minus 30. When: Tonight into Monday morning. ### Extreme cold puts everyone at risk. Risks are greater for young children, older adults, people with chronic illnesses, people working or exercising outdoors, and those without proper shelter. Cold warnings are issued when very cold temperatures or wind chill creates an elevated risk to health such as frost bite and hypothermia. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.

Dress warmly. Dress in layers that you can remove if you get too warm. The outer layer should be wind resistant. Cover up. Frostbite can develop within minutes on exposed skin, especially with wind chill. If it’s too cold for you to stay outside, it’s too cold for your pet to stay outside. Watch for colour changes on fingers and toes, pain, numbness, a tingling sensation, or swelling. If present, move indoors and begin warming. Outdoor workers should take regularly scheduled breaks to warm up.


Monday, February 9, 2026

Weather Forecast

Sunny
30.7°F
3.2°F
13.7°F
71%
0 in
0%
0%
9.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 11.63 μg/m3
PM10: 11.99 μg/m3
Carbon Monoxide: 233.41 μg/m3
Nitrogen Dioxide: 12.85 μg/m3
Sulphur Dioxide: 2.32 μg/m3
Ozone: 67.04 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:44 AM
Sunset: 5:54 PM
Daylight: 10 hrs 20 mins
Moonrise: 1:35 AM
Moon Transit: 6:16 AM
Moonset: 10:51 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:46 AM - 8:16 AM
7:11 PM - 9:41 PM

Minor Periods

10:21 AM - 11:51 AM
1:05 AM - 2:35 AM

Action Rating: 2 out of 5

Tuesday, February 10, 2026

Weather Forecast

Overcast
34.2°F
19.4°F
26.4°F
89%
0 in
0%
0%
17 mph
0.4


Air Quality

AQI: 2 - Moderate
PM2.5: 18.93 μg/m3
PM10: 19.27 μg/m3
Carbon Monoxide: 274.37 μg/m3
Nitrogen Dioxide: 16.04 μg/m3
Sulphur Dioxide: 4.26 μg/m3
Ozone: 61.52 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 12:44 AM
Sunset: 5:56 PM
Daylight: 10 hrs 22 mins
Moonrise: 2:40 AM
Moon Transit: 7:04 AM
Moonset: 11:24 AM
Moon Phase: Last Quarter
Moon Illumination: 30.3%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
8:00 PM - 10:30 PM

Minor Periods

10:54 AM - 12:24 AM
2:10 AM - 3:40 AM

Action Rating: 2 out of 5

Wednesday, February 11, 2026

Weather Forecast

Overcast
29.5°F
23.9°F
27.4°F
83%
0 in
0%
0%
17.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.91 μg/m3
PM10: 3.95 μg/m3
Carbon Monoxide: 186.93 μg/m3
Nitrogen Dioxide: 4.83 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 67.08 μg/m3

Astronomical

Sunrise: 7:32 AM
Sun Transit: 12:44 AM
Sunset: 5:57 PM
Daylight: 10 hrs 25 mins
Moonrise: 3:41 AM
Moon Transit: 7:54 AM
Moonset: 12:05 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

7:24 AM - 9:54 AM
8:51 PM - 11:21 PM

Minor Periods

11:35 AM - 1:05 PM
3:11 AM - 4:41 AM

Action Rating: 3 out of 5

Thursday, February 12, 2026

Weather Forecast

Partly Cloudy
25.3°F
15°F
20.5°F
84%
0 in
0%
0%
13.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.08 μg/m3
PM10: 2.08 μg/m3
Carbon Monoxide: 170.67 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 75.96 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 12:44 AM
Sunset: 5:58 PM
Daylight: 10 hrs 28 mins
Moonrise: 4:38 AM
Moon Transit: 8:46 AM
Moonset: 12:55 AM
Moon Phase: Waning Crescent
Moon Illumination: 12.2%

Best Times for Fishing or Hunting

Major Periods

8:16 AM - 10:46 AM
12:00 AM - 12:00 AM

Minor Periods

12:25 AM - 1:55 PM
4:08 AM - 5:38 AM

Action Rating: 2 out of 5

Friday, February 13, 2026

Weather Forecast

Sunny
26.2°F
12°F
18.2°F
89%
0 in
0%
0%
5.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.45 μg/m3
PM10: 5.46 μg/m3
Carbon Monoxide: 221.17 μg/m3
Nitrogen Dioxide: 10.18 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 63.77 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:44 AM
Sunset: 6:00 PM
Daylight: 10 hrs 30 mins
Moonrise: 5:27 AM
Moon Transit: 9:38 AM
Moonset: 1:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:08 AM - 11:38 AM

Minor Periods

1:23 PM - 2:53 PM
4:57 AM - 6:27 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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