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

Current Water Temperature

68.4°F

Measurement Time: Friday, September 19, 2025, 3:48 AM 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

52°F
Clear
Conditions: Clear
Humidity: 87%
Feels Like: 50.2°F
Wind: NNW 5.6 mph
Wind Gusts: 10.6 mph
Pressure: 30.01 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Fri
H: 70°F
L: 48°F
Sunny
Sat
H: 68°F
L: 37°F
Partly Cloudy
Sun
H: 72°F
L: 35°F
Moderate rain
Mon
H: 77°F
L: 58°F
Patchy rain nearby
Tue
H: 70°F
L: 57°F

Air Quality

PM2.5: 2.41 μg/m3
PM10: 2.59 μg/m3
Carbon Monoxide: 299.7 μg/m3
Nitrogen Dioxide: 4.63 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:55 AM
Sunset: 7:04 PM
Daylight: 12 hrs 18 mins
Moonrise: 4:14 AM
Moon Transit: 11:23 AM
Moonset: 6:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
10:53 AM - 1:23 PM

Minor Periods

5:48 PM - 7:18 PM
3:44 AM - 5:14 AM

Action Rating: 3 out of 5

Frost Advisory issued September 19 at 12:31AM EDT until September 20 at 8:00AM EDT by NWS Burlington VT

Effective: Fri September 19, 2025, 12:31 AM
Expires: Fri September 19, 2025, 3:15 PM

* WHAT...Temperatures between 30 and 36 will result in frost formation. * WHERE...Portions of northern New York and central, northeast, and northwest Vermont. * WHEN...From 2 AM to 8 AM EDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The coldest temperatures will occur near sunrise on Saturday morning.

Take steps now to protect tender plants from the cold.


Frost Advisory issued September 19 at 12:53AM EDT until September 20 at 8:00AM EDT by NWS Buffalo NY

Effective: Fri September 19, 2025, 12:53 AM
Expires: Fri September 19, 2025, 5:00 PM

* WHAT...Temperatures in the lower to mid 30s will result in frost formation. * WHERE...Jefferson and Lewis Counties. * WHEN...From 2 AM to 8 AM EDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left unprotected.

Take steps now to protect tender plants from the cold.


Freeze Watch issued September 18 at 2:06PM EDT until September 20 at 8:00AM EDT by NWS Burlington VT

Effective: Thu September 18, 2025, 2:06 PM
Expires: Fri September 19, 2025, 4:15 AM

* WHAT...Sub-freezing temperatures as low as 25 possible. * WHERE...In New York, Southern Franklin and Western Clinton Counties. In Vermont, Essex County. * WHEN...From late Friday night through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Freeze Warning issued September 19 at 12:31AM EDT until September 20 at 8:00AM EDT by NWS Burlington VT

Effective: Fri September 19, 2025, 12:31 AM
Expires: Fri September 19, 2025, 3:15 PM

* WHAT...Sub-freezing temperatures between 25 and 30 expected. * WHERE...In New York, Southern Franklin and Western Clinton Counties. In Vermont, Essex County. * WHEN...From 2 AM to 8 AM EDT Saturday. * IMPACTS...Freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...The coldest temperatures will occur near sunrise on Saturday morning.

Take steps now to protect tender plants from the cold.


Frost Advisory issued September 19 at 12:31AM EDT until September 20 at 8:00AM EDT by NWS Burlington VT

Effective: Fri September 19, 2025, 12:31 AM
Expires: Fri September 19, 2025, 3:15 PM

* WHAT...Temperatures between 30 and 36 will result in frost formation. * WHERE...Portions of northern New York and central, northeast, and northwest Vermont. * WHEN...From 2 AM to 8 AM EDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The coldest temperatures will occur near sunrise on Saturday morning.

Take steps now to protect tender plants from the cold.
Friday, September 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 57°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 3.03 μg/m3
PM10: 3.31 μg/m3
Carbon Monoxide: 310.8 μg/m3
Nitrogen Dioxide: 6.48 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 57.2 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:55 AM
Sunset: 7:04 PM
Daylight: 12 hrs 18 mins
Moonrise: 4:14 AM
Moon Transit: 11:23 AM
Moonset: 6:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
10:53 AM - 1:23 PM

Minor Periods

5:48 PM - 7:18 PM
3:44 AM - 5:14 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 50.7°F
Average Humidity: 51%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 2.21 μg/m3
PM10: 2.29 μg/m3
Carbon Monoxide: 287.86 μg/m3
Nitrogen Dioxide: 7.98 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 62.16 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:55 AM
Sunset: 7:03 PM
Daylight: 12 hrs 15 mins
Moonrise: 5:24 AM
Moon Transit: 12:06 AM
Moonset: 6:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:15 AM - 3:45 AM
11:36 AM - 2:06 PM

Minor Periods

6:06 PM - 7:36 PM
4:54 AM - 6:24 AM

Action Rating: 3 out of 5

Sunday, September 21, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 54.8°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 7.17 μg/m3
PM10: 7.5 μg/m3
Carbon Monoxide: 325.45 μg/m3
Nitrogen Dioxide: 10.75 μg/m3
Sulphur Dioxide: 3.16 μg/m3
Ozone: 77.36 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:54 AM
Sunset: 7:01 PM
Daylight: 12 hrs 12 mins
Moonrise: 6:32 AM
Moon Transit: 12:48 AM
Moonset: 6:52 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:57 AM - 4:27 AM
12:18 AM - 2:48 PM

Minor Periods

6:22 PM - 7:52 PM
6:02 AM - 7:32 AM

Action Rating: 3 out of 5

Monday, September 22, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 64.3°F
Average Humidity: 76%
Chance of Rain: 87%
Wind: 13 mph
UV Index: 0.8

Air Quality

AQI: 2 - Moderate
PM2.5: 15.9 μg/m3
PM10: 16.18 μg/m3
Carbon Monoxide: 371.14 μg/m3
Nitrogen Dioxide: 8.1 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 84.08 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:54 AM
Sunset: 6:59 PM
Daylight: 12 hrs 9 mins
Moonrise: 7:37 AM
Moon Transit: 1:28 PM
Moonset: 7:09 PM
Moon Phase: New
Moon Illumination: 2.9%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
12:58 AM - 3:28 PM

Minor Periods

6:39 PM - 8:09 PM
7:07 AM - 8:37 AM

Action Rating: 5 out of 5

Tuesday, September 23, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 63.2°F
Average Humidity: 94%
Chance of Rain: 82%
Wind: 8.1 mph
UV Index: 0

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: 6:51 AM
Sun Transit: 12:54 AM
Sunset: 6:57 PM
Daylight: 12 hrs 6 mins
Moonrise: 8:43 AM
Moon Transit: 2:09 PM
Moonset: 7:26 PM
Moon Phase: New
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

3:18 AM - 5:48 AM
1:39 PM - 4:09 PM

Minor Periods

6:56 PM - 8:26 PM
8:13 AM - 9:43 AM

Action Rating: 4 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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