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

Current Water Temperature

73.9°F

Measurement Time: Sunday, August 2, 2026, 9:54 AM EDT

Temperature Locations

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Local Points of Interest

Morrisette Park; Oswegatchie River; Prescott ON

St. Lawrence River

Station Name: Ogdensburg
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 236 feet

Sensor Depth: -9 feet

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 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

72°F
Sunny
Sunny
76.6°F
76.3°F
88%
ENE 3.8 mph
5.7 mph
72°F
68.2°F
0 in
3%
6 mi
1012 mbar
1.1

Five Day Weather Forecast

Sunny
Sun
H: 77°F
L: 67°F
Sunny
Mon
H: 77°F
L: 63°F
Sunny
Tue
H: 81°F
L: 56°F
Sunny
Wed
H: 84°F
L: 61°F
Patchy rain nearby
Thu
H: 85°F
L: 65°F

Air Quality

AQI: 1 - Good
PM2.5: 7 μg/m3
PM10: 7.1 μg/m3
Carbon Monoxide: 159 μg/m3
Nitrogen Dioxide: 4.3 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:08 PM
Sunset: 8:27 PM
Daylight: 14 hrs 37 mins
Moonrise: 10:07 PM
Moon Transit: 3:49 AM
Moonset: 10:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:19 AM - 5:49 AM
5:40 PM - 8:10 PM

Minor Periods

9:37 PM - 11:07 PM
9:33 AM - 11:03 AM

Action Rating: 4 out of 5

yellow warning - rainfall - in effect

Effective: Sun August 2, 2026, 3:48 AM
Expires: Sun August 2, 2026, 7:48 PM

Localized heavy rainfall is expected. What: Local rainfall amounts exceeding 50 mm. When: This morning through tonight. Additional information: Locations impacted by multiple thunderstorms are expected to receive rainfall amounts in excess of 50 mm. Rain may linger into Monday morning over eastern Ontario. ### Water will likely pool on roads and in low-lying areas. Some property damage is possible. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details. 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 social media using #ONStorm.

Don't drive through flooded roadways. Watch for washouts near rivers, creeks and culverts.


yellow warning - rainfall - in effect

Effective: Sun August 2, 2026, 6:24 AM
Expires: Sun August 2, 2026, 10:24 PM

Heavy rainfall is expected. What: Total rainfall amounts of 50 to 80 mm. Local rainfall amounts may approach 100 mm for locations that receive multiple thunderstorms. When: This morning through tonight. Additional information: The heaviest rainfall is expected through this evening. Rain may linger through Monday morning over eastern Ontario. ### Water will likely pool on roads and in low-lying areas. Some property damage is possible. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details. 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 social media using #ONStorm.

Don't drive through flooded roadways. Watch for washouts near rivers, creeks and culverts.
Sunday, August 2, 2026

Weather Forecast

Sunny
77.2°F
66.6°F
69.8°F
93%
1.87 in
84%
0%
13 mph
1.9


Air Quality

AQI: 1 - Good
PM2.5: 6.13 μg/m3
PM10: 6.25 μg/m3
Carbon Monoxide: 159.92 μg/m3
Nitrogen Dioxide: 3.18 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 68.83 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:08 PM
Sunset: 8:27 PM
Daylight: 14 hrs 37 mins
Moonrise: 10:07 PM
Moon Transit: 3:49 AM
Moonset: 10:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:19 AM - 5:49 AM
5:40 PM - 8:10 PM

Minor Periods

9:37 PM - 11:07 PM
9:33 AM - 11:03 AM

Action Rating: 4 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
77.2°F
63.4°F
68.6°F
86%
0.12 in
75%
0%
8.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 3.6 μg/m3
Carbon Monoxide: 131.25 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 61.67 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:08 PM
Sunset: 8:25 PM
Daylight: 14 hrs 35 mins
Moonrise: 10:27 PM
Moon Transit: 12:00 AM
Moonset: 11:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

9:57 PM - 11:27 PM
10:43 AM - 12:13 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
81.2°F
56°F
68.5°F
68%
0 in
5%
0%
4.3 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 3.22 μg/m3
PM10: 3.3 μg/m3
Carbon Monoxide: 144.25 μg/m3
Nitrogen Dioxide: 4.08 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 56.83 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:08 PM
Sunset: 8:24 PM
Daylight: 14 hrs 32 mins
Moonrise: 10:49 PM
Moon Transit: 5:18 AM
Moonset: 12:26 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:48 AM - 7:18 AM
7:12 PM - 9:42 PM

Minor Periods

10:19 PM - 11:49 PM
11:56 AM - 1:26 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Sunny
84.3°F
60.9°F
71.4°F
76%
0.07 in
57%
0%
7.4 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 5.33 μg/m3
PM10: 5.43 μg/m3
Carbon Monoxide: 162.43 μg/m3
Nitrogen Dioxide: 4.81 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 67.63 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:08 PM
Sunset: 8:23 PM
Daylight: 14 hrs 30 mins
Moonrise: 11:15 PM
Moon Transit: 6:07 AM
Moonset: 1:42 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:37 AM - 8:07 AM
8:03 PM - 10:33 PM

Minor Periods

12:00 AM - 12:00 AM
1:12 PM - 2:42 PM

Action Rating: 4 out of 5

Thursday, August 6, 2026

Weather Forecast

Patchy rain nearby
85.4°F
65°F
74.7°F
86%
0.32 in
82%
0%
9.4 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.33 μg/m3
PM10: 5.37 μg/m3
Carbon Monoxide: 246.22 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 71.78 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:07 PM
Sunset: 8:21 PM
Daylight: 14 hrs 27 mins
Moonrise: 12:15 AM
Moon Transit: 7:00 AM
Moonset: 3:01 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
9:00 PM - 11:30 PM

Minor Periods

2:31 PM - 4:01 PM
12:00 AM - 12:00 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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