Water Temperature of the St. Lawrence River in Ogdensburg, NY

Current Water Temperature

52.3°F

Measurement Time: Thursday, October 30, 2025, 6:48 PM EDT

Temperature Locations

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Local Points of Interest

Morrisette Park; Oswegatchie River; Prescott ON

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St. Lawrence River

Station Name: Ogdensburg
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 236 feet / 72 meters

Sensor Depth: -9.4 feet / -2.9 meters

Nearest Address:
2 Franklin St
Ogdensburg, NY 13669
St. Lawrence County

GPS Coordinates: 44.701668, -75.494

Nearby Water Temperatures

St. Lawrence River, Wellesley Island, NY (33.6 mi)
Independence River, Donnattsburg, NY (66.4 mi)
Buck Creek, Inlet, NY (76.4 mi)
Oswego River, Oswego, NY (99.9 mi)
Lake Champlain, Rouses Point, NY (106.5 mi)
Lake Champlain, Port Henry, NY (110.3 mi)
Lake Champlain, Burlington, VT (112.9 mi)
Lake Ontario, Rochester, NY (120.4 mi)
Skaneateles Lake, Skaneateles, NY (130.0 mi)
Mohawk River, Fonda, NY (133.3 mi)
Mohawk River, Fort Johnson, NY (136.1 mi)
Schoharie Creek, Fort Hunter, NY (136.1 mi)
Mohawk River, Amsterdam, NY (138.3 mi)
Mohawk River, Rotterdam Junction, NY (145.3 mi)
Irondequoit Creek, Penfield, NY (147.1 mi)

Weather for Ogdensburg, New York

Current Weather

42.8°F
Moderate rain
Conditions: Moderate rain
Humidity: 100%
Feels Like: 36.2°F
Wind: ENE 12.5 mph
Wind Gusts: 18.6 mph
Pressure: 29.59 in
Precipitation: 0.16 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Heavy rain
Thu
H: 44°F
L: 38°F
Heavy rain
Fri
H: 42°F
L: 33°F
Patchy rain nearby
Sat
H: 40°F
L: 30°F
Sunny
Sun
H: 44°F
L: 29°F
Partly Cloudy
Mon
H: 50°F
L: 31°F

Air Quality

PM2.5: 3.55 μg/m3
PM10: 3.55 μg/m3
Carbon Monoxide: 172.85 μg/m3
Nitrogen Dioxide: 11.55 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 12:45 AM
Sunset: 5:53 PM
Daylight: 10 hrs 16 mins
Moonrise: 3:10 PM
Moon Transit: 8:10 PM
Moonset: 12:07 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

9:16 AM - 11:46 AM
7:40 PM - 10:10 PM

Minor Periods

2:40 PM - 4:10 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

special weather statement in effect

Service Notice – October 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) a new Coastal Flooding Statement has been created and could be issued for the same locations as the Coastal Flooding Warning, 3) more adjustments to the locations used for the coastal flooding alerts, 4) new Public locations around Regina, Moose Jaw and Saskatoon in Saskatchewan, 5) 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 6) 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 – octobre 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) un nouveau bulletin de submersion côtière a été créé et pourra être émis pour les mêmes emplacements que l’avertissement de submersion côtière, 3) d’autres ajustements aux emplacements utilisés pour les alertes d’inondation côtière, 4) de nouveaux emplacements publics autour de Regina, Moose Jaw et Saskatoon, en Saskatchewan, 5) 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 6) 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 October 29, 2025, 11:47 PM
Expires: Thu October 30, 2025, 3:47 PM

Long duration rainfall expected Thursday and Friday. What: Heavy rainfall with total amounts of 30 to 60 mm. Locally higher amounts possible. When: Beginning Thursday morning and ending Friday evening. Additional Information: A long duration rain event is expected for Gatineau. Rain, at times heavy, will begin early Thursday morning and continue through Friday evening before tapering off. The heaviest rain is expected to fall Thursday afternoon through Friday morning. Heavy downpours may cause flash flooding and water pooling on roads. If visibility is reduced while driving, slow down, watch for tail lights and be prepared to stop. ### 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 #QCStorm.


rainfall warning in effect

Service Notice – October 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) a new Coastal Flooding Statement has been created and could be issued for the same locations as the Coastal Flooding Warning, 3) more adjustments to the locations used for the coastal flooding alerts, 4) new Public locations around Regina, Moose Jaw and Saskatoon in Saskatchewan, 5) 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 6) 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 – octobre 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) un nouveau bulletin de submersion côtière a été créé et pourra être émis pour les mêmes emplacements que l’avertissement de submersion côtière, 3) d’autres ajustements aux emplacements utilisés pour les alertes d’inondation côtière, 4) de nouveaux emplacements publics autour de Regina, Moose Jaw et Saskatoon, en Saskatchewan, 5) 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 6) 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: Thu October 30, 2025, 5:26 AM
Expires: Thu October 30, 2025, 9:26 PM

Long duration rainfall expected today through Friday. What: Heavy rainfall with total amounts of 40 to 70 mm. Locally higher amounts are possible. When: Beginning this morning and continuing through Friday evening. Additional information: A low pressure system will impact the area today into Friday. The heaviest rain is expected to fall this afternoon through Friday morning. ### Water will likely pool on roads and in low-lying areas. Some travel delays are possible. 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 #QCStorm.

Don't drive through flooded roadways. Allow extra time for travel.


rainfall warning in effect

Service Notice – October 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) a new Coastal Flooding Statement has been created and could be issued for the same locations as the Coastal Flooding Warning, 3) more adjustments to the locations used for the coastal flooding alerts, 4) new Public locations around Regina, Moose Jaw and Saskatoon in Saskatchewan, 5) 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 6) 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 – octobre 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) un nouveau bulletin de submersion côtière a été créé et pourra être émis pour les mêmes emplacements que l’avertissement de submersion côtière, 3) d’autres ajustements aux emplacements utilisés pour les alertes d’inondation côtière, 4) de nouveaux emplacements publics autour de Regina, Moose Jaw et Saskatoon, en Saskatchewan, 5) 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 6) 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: Thu October 30, 2025, 11:06 AM
Expires: Fri October 31, 2025, 3:06 AM

Long duration rainfall expected today through Friday. What: Heavy rainfall with total amounts of 40 to 70 mm. Locally higher amounts are possible. When: Continuing through Friday evening. Additional information: A low pressure system will impact the area today into Friday. The heaviest rain is expected to fall this afternoon through Friday morning. ### Water will likely pool on roads and in low-lying areas. Some travel delays are possible. 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 #QCStorm.

Don't drive through flooded roadways. Allow extra time for travel.


Thursday, October 30, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 40.5°F
Average Humidity: 91%
Chance of Rain: 89%
Wind: 13 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 5.41 μg/m3
PM10: 5.52 μg/m3
Carbon Monoxide: 205.93 μg/m3
Nitrogen Dioxide: 10.84 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 37.92 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 12:45 AM
Sunset: 5:53 PM
Daylight: 10 hrs 16 mins
Moonrise: 3:10 PM
Moon Transit: 8:10 PM
Moonset: 12:07 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

9:16 AM - 11:46 AM
7:40 PM - 10:10 PM

Minor Periods

2:40 PM - 4:10 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, October 31, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 40°F
Average Humidity: 94%
Chance of Rain: 86%
Wind: 16.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.03 μg/m3
PM10: 2.05 μg/m3
Carbon Monoxide: 165.61 μg/m3
Nitrogen Dioxide: 6.39 μg/m3
Sulphur Dioxide: 2.09 μg/m3
Ozone: 58.16 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 12:45 AM
Sunset: 5:52 PM
Daylight: 10 hrs 13 mins
Moonrise: 3:32 PM
Moon Transit: 8:57 PM
Moonset: 1:20 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

10:03 AM - 12:33 AM
8:27 PM - 10:57 PM

Minor Periods

3:02 PM - 4:32 PM
12:50 AM - 2:20 AM

Action Rating: 2 out of 5

Saturday, November 1, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 36.5°F
Average Humidity: 79%
Chance of Rain: 82%
Wind: 16.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 1.46 μg/m3
PM10: 1.49 μg/m3
Carbon Monoxide: 143.77 μg/m3
Nitrogen Dioxide: 2.03 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 65.6 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 12:45 AM
Sunset: 5:50 PM
Daylight: 10 hrs 10 mins
Moonrise: 3:52 PM
Moon Transit: 9:44 PM
Moonset: 2:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

10:50 AM - 1:20 PM
9:14 PM - 11:44 PM

Minor Periods

3:22 PM - 4:52 PM
2:05 AM - 3:35 AM

Action Rating: 2 out of 5

Sunday, November 2, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 34.3°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 7.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 1.9 μg/m3
PM10: 1.94 μg/m3
Carbon Monoxide: 160 μg/m3
Nitrogen Dioxide: 3.88 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 51.69 μg/m3

Astronomical

Sunrise: 7:41 AM
Sun Transit: 12:45 AM
Sunset: 5:49 PM
Daylight: 10 hrs 7 mins
Moonrise: 4:12 PM
Moon Transit: 12:31 AM
Moonset: 3:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

11:38 AM - 2:08 PM
12:01 AM - 2:31 PM

Minor Periods

3:42 PM - 5:12 PM
3:21 AM - 4:51 AM

Action Rating: 2 out of 5

Monday, November 3, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 40.7°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 15.9 mph
UV Index: 2

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: 7:43 AM
Sun Transit: 12:45 AM
Sunset: 5:47 PM
Daylight: 10 hrs 5 mins
Moonrise: 4:33 PM
Moon Transit: 11:24 PM
Moonset: 5:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

4:03 PM - 5:33 PM
4:40 AM - 6:10 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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