Water Temperature of the St. Lawrence River in Wellesley Island, NY

Current Water Temperature

41.2°F

Measurement Time: Saturday, April 19, 2025, 8:24 PM EDT

Temperature Locations

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Local Points of Interest

Coast Guard Station Alexandria Bay; Keewaydin State Park

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St. Lawrence River

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

58.1°F
Overcast
Conditions: Overcast
Humidity: 80%
Feels Like: 55.1°F
Wind: W 14.5 mph
Wind Gusts: 23.1 mph
Pressure: 29.91 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 60°F
L: 46°F
Partly Cloudy
Sun
H: 49°F
L: 34°F
Moderate rain
Mon
H: 50°F
L: 30°F
Patchy rain nearby
Tue
H: 46°F
L: 42°F
Overcast
Wed
H: 50°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 1.3 μg/m3
PM10: 1.67 μg/m3
Carbon Monoxide: 351.5 μg/m3
Nitrogen Dioxide: 2.41 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:02 PM
Sunset: 7:54 PM
Daylight: 13 hrs 41 mins
Moonrise: 1:58 AM
Moon Transit: 5:58 AM
Moonset: 10:02 AM
Moon Phase: Last Quarter
Moon Illumination: 49.0%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
7:52 PM - 10:22 PM

Minor Periods

9:32 AM - 11:02 AM
1:28 AM - 2:58 AM

Action Rating: 3 out of 5

Saturday, April 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 51.7°F
Average Humidity: 86%
Chance of Rain: 88%
Wind: 18.3 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 12.85 μg/m3
PM10: 13.22 μg/m3
Carbon Monoxide: 371.26 μg/m3
Nitrogen Dioxide: 7.23 μg/m3
Sulphur Dioxide: 3.19 μg/m3
Ozone: 93.36 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:02 PM
Sunset: 7:54 PM
Daylight: 13 hrs 41 mins
Moonrise: 1:58 AM
Moon Transit: 5:58 AM
Moonset: 10:02 AM
Moon Phase: Last Quarter
Moon Illumination: 49.0%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
7:52 PM - 10:22 PM

Minor Periods

9:32 AM - 11:02 AM
1:28 AM - 2:58 AM

Action Rating: 3 out of 5

Sunday, April 20, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 42.7°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 14.1 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 2.74 μg/m3
PM10: 3.91 μg/m3
Carbon Monoxide: 326.78 μg/m3
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 85.32 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:02 PM
Sunset: 7:55 PM
Daylight: 13 hrs 43 mins
Moonrise: 2:41 AM
Moon Transit: 6:52 AM
Moonset: 11:09 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
8:45 PM - 11:15 PM

Minor Periods

10:39 AM - 12:09 AM
2:11 AM - 3:41 AM

Action Rating: 3 out of 5

Monday, April 21, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 40.5°F
Average Humidity: 82%
Chance of Rain: 83%
Wind: 21.3 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 10.72 μg/m3
PM10: 12.38 μg/m3
Carbon Monoxide: 347.13 μg/m3
Nitrogen Dioxide: 13.76 μg/m3
Sulphur Dioxide: 2.58 μg/m3
Ozone: 71.32 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:02 PM
Sunset: 7:56 PM
Daylight: 13 hrs 46 mins
Moonrise: 3:16 AM
Moon Transit: 7:45 AM
Moonset: 12:23 AM
Moon Phase: Last Quarter
Moon Illumination: 27.2%

Best Times for Fishing or Hunting

Major Periods

7:15 AM - 9:45 AM
12:00 AM - 12:00 AM

Minor Periods

11:53 AM - 1:23 PM
2:46 AM - 4:16 AM

Action Rating: 2 out of 5

Tuesday, April 22, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 44.4°F
Average Humidity: 88%
Chance of Rain: 83%
Wind: 17.9 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 11.71 μg/m3
PM10: 11.94 μg/m3
Carbon Monoxide: 365.49 μg/m3
Nitrogen Dioxide: 6.75 μg/m3
Sulphur Dioxide: 2.8 μg/m3
Ozone: 86.08 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:02 PM
Sunset: 7:57 PM
Daylight: 13 hrs 49 mins
Moonrise: 3:44 AM
Moon Transit: 8:36 AM
Moonset: 1:38 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%

Best Times for Fishing or Hunting

Major Periods

8:06 AM - 10:36 AM
12:00 AM - 12:00 AM

Minor Periods

1:08 PM - 2:38 PM
3:14 AM - 4:44 AM

Action Rating: 2 out of 5

Wednesday, April 23, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 44.7°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 3.3 μg/m3
PM10: 3.36 μg/m3
Carbon Monoxide: 342.53 μg/m3
Nitrogen Dioxide: 7.8 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 79.23 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:02 PM
Sunset: 7:58 PM
Daylight: 13 hrs 52 mins
Moonrise: 4:08 AM
Moon Transit: 9:25 AM
Moonset: 2:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%

Best Times for Fishing or Hunting

Major Periods

8:55 AM - 11:25 AM
12:00 AM - 12:00 AM

Minor Periods

2:26 PM - 3:56 PM
3:38 AM - 5:08 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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