Water Temperature of the St. Lawrence River in Wellesley Island, NY
Current Water Temperature
Measurement Time: Sunday, November 30, 2025, 1:54 PM EST
Temperature Locations
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Local Points of Interest
Coast Guard Station Alexandria Bay; Keewaydin State ParkSponsored Content
Station Name: Alexandria Bay
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 240 feet / 73 meters
Sensor Depth: -1.8 feet / -0.6 meters
Nearest Address:
45898 Hopewell Hall Rd
Wellesley Island, NY 13640
Jefferson County
GPS Coordinates: 44.331110, -75.934528
Nearby Water Temperatures
St. Lawrence River, Ogdensburg, NY (33.6 mi)Independence River, Donnattsburg, NY (50.2 mi)
Oswego River, Oswego, NY (67.1 mi)
Buck Creek, Inlet, NY (72.6 mi)
Lake Ontario, Rochester, NY (87.9 mi)
Skaneateles Lake, Skaneateles, NY (98.9 mi)
Irondequoit Creek, Penfield, NY (113.6 mi)
Allen Creek, Brighton, NY (115.0 mi)
Northrup Creek, North Greece, NY (116.9 mi)
Genesee River, Rochester, NY (117.5 mi)
Erie Canal, Rochester, NY (119.5 mi)
Sandy Creek, North Hamlin, NY (120.2 mi)
Mohawk River, Fonda, NY (123.3 mi)
Lake Champlain, Port Henry, NY (124.4 mi)
Schoharie Creek, Fort Hunter, NY (126.9 mi)
Weather for Wellesley Island, New York
Current Weather

Humidity: 91%
Feels Like: 20.5°F
Wind: SSW 24.2 mph
Wind Gusts: 32.7 mph
Precipitation: 0.02 in
Cloud Cover: 0%
Visibility: 0 mi
UV Index: 0.4
Five Day Weather Forecast

Sun
H: 37°F
L: 29°F

Mon
H: 29°F
L: 23°F

Tue
H: 29°F
L: 24°F

Wed
H: 35°F
L: 21°F

Thu
H: 33°F
L: 14°F
Air Quality
Nitrogen Dioxide: 6.85 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 62 μg/m3
Astronomical
Sun Transit: 11:52 AM
Sunset: 4:26 PM
Daylight: 9 hrs 8 mins
Moon Transit: 8:11 PM
Moonset: 1:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:41 PM - 10:11 PM
Minor Periods
1:05 PM - 2:35 PM1:16 AM - 2:46 AM
Action Rating: 2 out of 5
special weather statement 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: Sat November 29, 2025, 5:41 PM
Expires: Sun November 30, 2025, 9:41 AM
Significant snow and strong winds expected Sunday. What: Total snowfall amounts of 5 to 10 cm leading to challenging travel conditions. Strong southwest winds with gusts of 80 km/h possible. When: Snow will begin overnight and taper off Sunday afternoon. Strong winds will begin Sunday morning and ease late in the evening as winds become more northwesterly. Additional Information: On Sunday afternoon, snow is expected to mix with or transition over to rain in most areas. If the precipitation remains as snow, then accumulations may reach or possibly exceed 10 cm. Local utility outages are possible. Roads and walkways will likely be difficult to navigate due to accumulating snow. ### 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.
special weather statement 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 November 30, 2025, 5:29 AM
Expires: Sun November 30, 2025, 9:29 PM
Strong winds expected today. What: Strong southwest winds with gusts of 80 km/h possible. When: Strong winds will begin later this afternoon and ease late this evening as winds become more northwesterly. Additional Information: Snow is still expected for today, however accumulations are not expected to be significant with 2 to 4 cm possible. Strong winds are expected to develop early this afternoon. Local utility outages are possible. Roads and walkways will likely be difficult to navigate due to accumulating snow. ### 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.
Weather Forecast
Average Temperature: 32.4°F
Average Humidity: 88%
Wind: 27.3 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 5.86 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 72.88 μg/m3
Astronomical
Sun Transit: 11:52 AM
Sunset: 4:26 PM
Daylight: 9 hrs 8 mins
Moon Transit: 8:11 PM
Moonset: 1:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:41 PM - 10:11 PM
Minor Periods
1:05 PM - 2:35 PM1:16 AM - 2:46 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 27.3°F
Average Humidity: 70%
Wind: 19.7 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 3.99 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 71.72 μg/m3
Astronomical
Sun Transit: 11:52 AM
Sunset: 4:26 PM
Daylight: 9 hrs 6 mins
Moon Transit: 9:02 PM
Moonset: 3:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
10:03 AM - 12:33 AM8:32 PM - 11:02 PM
Minor Periods
1:28 PM - 2:58 PM2:33 AM - 4:03 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 27°F
Average Humidity: 87%
Wind: 11.4 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 6.26 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 76.64 μg/m3
Astronomical
Sun Transit: 11:53 AM
Sunset: 4:26 PM
Daylight: 9 hrs 5 mins
Moon Transit: 10:00 PM
Moonset: 4:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%
Best Times for Fishing or Hunting
Major Periods
10:57 AM - 1:27 PM12:00 AM - 12:00 AM
Minor Periods
1:55 PM - 3:25 PM3:55 AM - 5:25 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 29.3°F
Average Humidity: 85%
Wind: 23.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 9.2 μg/m3
Sulphur Dioxide: 2.36 μg/m3
Ozone: 63.48 μg/m3
Astronomical
Sun Transit: 11:53 AM
Sunset: 4:25 PM
Daylight: 9 hrs 4 mins
Moon Transit: 11:00 PM
Moonset: 5:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.1%
Best Times for Fishing or Hunting
Major Periods
11:56 AM - 2:26 PM12:00 AM - 12:00 AM
Minor Periods
2:29 PM - 3:59 PM5:20 AM - 6:50 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 30.7°F
Average Humidity: 93%
Wind: 19.5 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 5.32 μg/m3
Sulphur Dioxide: 1.97 μg/m3
Ozone: 73.69 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:25 PM
Daylight: 9 hrs 2 mins
Moon Transit: 12:00 AM
Moonset: 7:16 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:01 PM - 3:31 PM
Minor Periods
3:16 PM - 4:46 PM6:46 AM - 8:16 AM
Action Rating: 4 out of 5
