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

Current Water Temperature

72.0°F

Measurement Time: Wednesday, July 16, 2025, 7:36 AM EDT

Temperature Locations

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Local Points of Interest

Russell Island; Walpole Island

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St. Clair River

Station Name: Algonac
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 571 feet / 174 meters

Sensor Depth: -6.3 feet / -1.9 meters

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 (102.0 mi)
Lake Huron, Port Austin, MI (115.0 mi)

Weather for Algonac, Michigan

Current Weather

75.4°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 86%
Feels Like: 80.3°F
Wind: S 5.8 mph
Wind Gusts: 12.2 mph
Pressure: 29.9 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0.2

Five Day Weather Forecast

Cloudy
Wed
H: 86°F
L: 68°F
Patchy rain nearby
Thu
H: 74°F
L: 61°F
Sunny
Fri
H: 76°F
L: 57°F
Patchy rain nearby
Sat
H: 81°F
L: 57°F
Patchy rain nearby
Sun
H: 78°F
L: 67°F

Air Quality

AQI: 1 - Good
PM2.5: 23.13 μg/m3
PM10: 23.68 μg/m3
Carbon Monoxide: 471.75 μg/m3
Nitrogen Dioxide: 15.36 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 112 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:36 PM
Sunset: 9:05 PM
Daylight: 14 hrs 58 mins
Moonrise: 12:48 AM
Moon Transit: 1:15 AM
Moonset: 12:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

11:59 AM - 1:29 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

bulletin spécial sur la qualité de l'air en vigueur

Service Notice – June 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 planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, 2) SAME event codes for a few alert types are updated and 3) 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 – juin 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 prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, 2) des codes d’événement MSSC pour quelques types d’alerte ont été mis à jour et 3) 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: Tue July 15, 2025, 10:31 PM
Expires: Wed July 16, 2025, 4:01 AM

Elevated pollution levels are expected to continue late this evening before diminishing overnight. Moderate risk AQHI values are expected through late this evening with the potential of short-term high risk AQHI values as a result of ozone combining with residual smoke. ### When air pollution levels are high, everyone should limit time outdoors. Consider reducing or rescheduling outdoor sports, activities and events. You may experience mild and common symptoms such as eye, nose and throat irritation, headaches or a mild cough. More serious but less common symptoms include wheezing, chest pains or severe cough. If you think you are having a medical emergency, seek immediate medical assistance. People more likely to be impacted by outdoor air pollution, including people aged 65 and older, pregnant people, infants and young children, people with an existing illness or chronic health condition, and people who work outdoors, should reduce or reschedule strenuous activities outdoors and seek medical attention if experiencing symptoms. Visit http://www.airhealth.ca for information on how to reduce your health risk and your personal contribution to pollution levels, as well as for current and forecast AQHI values. Please continue to monitor alerts and forecasts issued by Environment Canada.

When indoors, keep windows and doors closed as much as possible. When there is an extreme heat event occurring with poor air quality, prioritize keeping cool. Protect your indoor air from outdoor air pollution. Actions can include using a clean, good quality air filter in your ventilation system and/or a certified portable air cleaner. Check in on others who are in your care or live nearby who may be more likely to be impacted by outdoor air pollution. Always follow guidance from local authorities.


bulletin spécial sur la qualité de l'air en vigueur

Service Notice – June 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 planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, 2) SAME event codes for a few alert types are updated and 3) 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 – juin 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 prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, 2) des codes d’événement MSSC pour quelques types d’alerte ont été mis à jour et 3) 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: Wed July 16, 2025, 12:50 AM
Expires: Wed July 16, 2025, 4:50 PM

Elevated levels of pollution due to ground level ozone is expected again today. Air Quality Health Index (AQHI) values are expected to reach moderate to high risk this afternoon and evening as elevated levels of ozone are expected. ### When air pollution levels are high, everyone should limit time outdoors. Consider reducing or rescheduling outdoor sports, activities and events. You may experience mild and common symptoms such as eye, nose and throat irritation, headaches or a mild cough. More serious but less common symptoms include wheezing, chest pains or severe cough. If you think you are having a medical emergency, seek immediate medical assistance. People more likely to be impacted by outdoor air pollution, including people aged 65 and older, pregnant people, infants and young children, people with an existing illness or chronic health condition, and people who work outdoors, should reduce or reschedule strenuous activities outdoors and seek medical attention if experiencing symptoms. Visit http://www.airhealth.ca for information on how to reduce your health risk and your personal contribution to pollution levels, as well as for current and forecast AQHI values. Please continue to monitor alerts and forecasts issued by Environment Canada.

When indoors, keep windows and doors closed as much as possible. When there is an extreme heat event occurring with poor air quality, prioritize keeping cool. Protect your indoor air from outdoor air pollution. Actions can include using a clean, good quality air filter in your ventilation system and/or a certified portable air cleaner. Check in on others who are in your care or live nearby who may be more likely to be impacted by outdoor air pollution. Always follow guidance from local authorities.


bulletin spécial sur la qualité de l'air en vigueur

Service Notice – June 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 planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, 2) SAME event codes for a few alert types are updated and 3) 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 – juin 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 prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, 2) des codes d’événement MSSC pour quelques types d’alerte ont été mis à jour et 3) 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: Tue July 15, 2025, 10:31 PM
Expires: Wed July 16, 2025, 4:01 AM

Elevated pollution levels are expected to continue late this evening before diminishing overnight. Moderate risk AQHI values are expected through late this evening with the potential of short-term high risk AQHI values as a result of ozone combining with residual smoke. ### When air pollution levels are high, everyone should limit time outdoors. Consider reducing or rescheduling outdoor sports, activities and events. You may experience mild and common symptoms such as eye, nose and throat irritation, headaches or a mild cough. More serious but less common symptoms include wheezing, chest pains or severe cough. If you think you are having a medical emergency, seek immediate medical assistance. People more likely to be impacted by outdoor air pollution, including people aged 65 and older, pregnant people, infants and young children, people with an existing illness or chronic health condition, and people who work outdoors, should reduce or reschedule strenuous activities outdoors and seek medical attention if experiencing symptoms. Visit http://www.airhealth.ca for information on how to reduce your health risk and your personal contribution to pollution levels, as well as for current and forecast AQHI values. Please continue to monitor alerts and forecasts issued by Environment Canada.

When indoors, keep windows and doors closed as much as possible. When there is an extreme heat event occurring with poor air quality, prioritize keeping cool. Protect your indoor air from outdoor air pollution. Actions can include using a clean, good quality air filter in your ventilation system and/or a certified portable air cleaner. Check in on others who are in your care or live nearby who may be more likely to be impacted by outdoor air pollution. Always follow guidance from local authorities.


Wednesday, July 16, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 76°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 2.4

Air Quality

AQI: 2 - Moderate
PM2.5: 28.39 μg/m3
PM10: 29.01 μg/m3
Carbon Monoxide: 457.91 μg/m3
Nitrogen Dioxide: 14.59 μg/m3
Sulphur Dioxide: 4.07 μg/m3
Ozone: 108.48 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:36 PM
Sunset: 9:05 PM
Daylight: 14 hrs 58 mins
Moonrise: 12:48 AM
Moon Transit: 1:15 AM
Moonset: 12:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

11:59 AM - 1:29 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 17, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 70.3°F
Average Humidity: 88%
Chance of Rain: 81%
Wind: 18.1 mph
UV Index: 1.8

Air Quality

AQI: 1 - Good
PM2.5: 12.7 μg/m3
PM10: 12.92 μg/m3
Carbon Monoxide: 366.15 μg/m3
Nitrogen Dioxide: 15.78 μg/m3
Sulphur Dioxide: 2.97 μg/m3
Ozone: 92.08 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:36 PM
Sunset: 9:04 PM
Daylight: 14 hrs 56 mins
Moonrise: 12:10 AM
Moon Transit: 6:49 AM
Moonset: 1:43 PM
Moon Phase: Last Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:19 AM - 8:49 AM
7:45 PM - 10:15 PM

Minor Periods

1:13 PM - 2:43 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, July 18, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 65.6°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 4.73 μg/m3
PM10: 4.88 μg/m3
Carbon Monoxide: 268.55 μg/m3
Nitrogen Dioxide: 5.48 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 80.64 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:36 PM
Sunset: 9:04 PM
Daylight: 14 hrs 55 mins
Moonrise: 12:33 AM
Moon Transit: 7:38 AM
Moonset: 3:00 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
8:37 PM - 11:07 PM

Minor Periods

2:30 PM - 4:00 PM
12:03 AM - 1:33 AM

Action Rating: 3 out of 5

Saturday, July 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 69.5°F
Average Humidity: 73%
Chance of Rain: 85%
Wind: 8.1 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 12.88 μg/m3
PM10: 13.32 μg/m3
Carbon Monoxide: 325.53 μg/m3
Nitrogen Dioxide: 25.17 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 81.24 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:36 PM
Sunset: 9:03 PM
Daylight: 14 hrs 53 mins
Moonrise: 1:01 AM
Moon Transit: 8:32 AM
Moonset: 4:19 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

8:02 AM - 10:32 AM
12:00 AM - 12:00 AM

Minor Periods

3:49 PM - 5:19 PM
12:31 AM - 2:01 AM

Action Rating: 2 out of 5

Sunday, July 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 72.1°F
Average Humidity: 85%
Chance of Rain: 89%
Wind: 13.2 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 12.64 μg/m3
PM10: 13.21 μg/m3
Carbon Monoxide: 406.72 μg/m3
Nitrogen Dioxide: 20.45 μg/m3
Sulphur Dioxide: 3.39 μg/m3
Ozone: 84.69 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:36 PM
Sunset: 9:02 PM
Daylight: 14 hrs 51 mins
Moonrise: 1:35 AM
Moon Transit: 9:30 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:00 AM - 11:30 AM

Minor Periods

5:08 PM - 6:38 PM
1:05 AM - 2:35 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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