Water Temperature of the Thames River in New London, CT

Current Water Temperature

70.0°F

Measurement Time: Sunday, September 13, 2026, 11:12 AM EDT

Today's Tides

Low: September 13, 5:30 AM, 0.3 ft
 High: September 13, 11:26 AM, 3.4 ft
Low: September 13, 6:09 PM, 0.3 ft
 High: September 13, 11:50 PM, 2.7 ft

Temperature Locations

View Nearby Locations     View All Connecticut Locations     View Locations Near Me

Local Points of Interest

Riverside Park; Groton, CT

Thames River

Station Name: New London
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 26 feet

Sensor Depth: -3 feet

Nearest Address:
United States Coast Guard Academy
New London, CT 06320
New London County

GPS Coordinates: 41.3717, -72.095525

Nearby Water Temperatures

Thames River, Groton, CT (1.7 mi)
Mystic River, Noank, CT (6.5 mi)
Mystic River, Mystic, CT (6.7 mi)
Mystic Harbor, Mystic, CT (6.8 mi)
Mystic River, Old Mystic, CT (6.9 mi)
East Branch Eightmile River, Lyme, CT (13 mi)
Yantic River, Norwich, CT (13 mi)
Eightmile River, East Haddam, CT (13.2 mi)
Connecticut River, Old Lyme, CT (13.6 mi)
Pawcatuck River, Westerly, RI (13.6 mi)
Orient Harbor, Orient, NY (19.6 mi)
Fort Pond Bay, Montauk, NY (23.4 mi)
Connecticut River, Middletown, CT (26.4 mi)
Natchaug River, Chaplin, CT (30.7 mi)
Hemlock Brook, Foster, RI (35.5 mi)

Weather for New London, Connecticut

Current Weather

72°F
Showers And Thunderstorms
Showers And Thunderstorms
100%
SE 7 mph
72°F

Weather Forecast

Showers And Thunderstorms
Today
76°F - Showers And Thunderstorms
Partly Cloudy then Chance Rain Showers
Tonight
63°F - Partly Cloudy then Chance Rain Showers
Chance Rain Showers
Monday
74°F - Chance Rain Showers
Clear
Monday Night
50°F - Clear
Sunny
Tuesday
71°F - Sunny
Partly Cloudy
Tuesday Night
53°F - Partly Cloudy
Sunny
Wednesday
75°F - Sunny
Mostly Clear
Wednesday Night
60°F - Mostly Clear
Mostly Sunny
Thursday
77°F - Mostly Sunny
Chance Rain Showers
Thursday Night
61°F - Chance Rain Showers
Chance Rain Showers
Friday
78°F - Chance Rain Showers
Chance Rain Showers
Friday Night
58°F - Chance Rain Showers
Chance Rain Showers
Saturday
75°F - Chance Rain Showers
Chance Rain Showers
Saturday Night
55°F - Chance Rain Showers

Astronomical

Sunrise: 6:27 AM
Sun Transit: 12:44 AM
Sunset: 7:01 PM
Daylight: 12 hrs 34 mins
Moonrise: 9:11 AM
Moon Transit: 2:37 PM
Moonset: 7:55 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
2:07 PM - 4:37 PM

Minor Periods

7:25 PM - 8:55 PM
8:41 AM - 10:11 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:27 AM
Sun Transit: 12:44 AM
Sunset: 7:01 PM
Daylight: 12 hrs 34 mins
Moonrise: 9:11 AM
Moon Transit: 2:37 PM
Moonset: 7:55 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
2:07 PM - 4:37 PM

Minor Periods

7:25 PM - 8:55 PM
8:41 AM - 10:11 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:27 AM
Sun Transit: 12:44 AM
Sunset: 7:01 PM
Daylight: 12 hrs 34 mins
Moonrise: 9:11 AM
Moon Transit: 2:37 PM
Moonset: 7:55 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
2:07 PM - 4:37 PM

Minor Periods

7:25 PM - 8:55 PM
8:41 AM - 10:11 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:28 AM
Sun Transit: 12:43 AM
Sunset: 6:59 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:19 AM
Moon Transit: 3:23 PM
Moonset: 8:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:58 AM - 7:28 AM
2:53 PM - 5:23 PM

Minor Periods

7:51 PM - 9:21 PM
9:49 AM - 11:19 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:28 AM
Sun Transit: 12:43 AM
Sunset: 6:59 PM
Daylight: 12 hrs 31 mins
Moonrise: 10:19 AM
Moon Transit: 3:23 PM
Moonset: 8:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:58 AM - 7:28 AM
2:53 PM - 5:23 PM

Minor Periods

7:51 PM - 9:21 PM
9:49 AM - 11:19 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:29 AM
Sun Transit: 12:43 AM
Sunset: 6:58 PM
Daylight: 12 hrs 28 mins
Moonrise: 11:25 AM
Moon Transit: 4:11 PM
Moonset: 8:51 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:45 AM - 8:15 AM
3:41 PM - 6:11 PM

Minor Periods

8:21 PM - 9:51 PM
10:55 AM - 12:25 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:29 AM
Sun Transit: 12:43 AM
Sunset: 6:58 PM
Daylight: 12 hrs 28 mins
Moonrise: 11:25 AM
Moon Transit: 4:11 PM
Moonset: 8:51 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:45 AM - 8:15 AM
3:41 PM - 6:11 PM

Minor Periods

8:21 PM - 9:51 PM
10:55 AM - 12:25 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:30 AM
Sun Transit: 12:43 AM
Sunset: 6:56 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:31 AM
Moon Transit: 5:00 PM
Moonset: 9:26 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
4:30 PM - 7:00 PM

Minor Periods

8:56 PM - 10:26 PM
12:01 AM - 1:31 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:30 AM
Sun Transit: 12:43 AM
Sunset: 6:56 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:31 AM
Moon Transit: 5:00 PM
Moonset: 9:26 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
4:30 PM - 7:00 PM

Minor Periods

8:56 PM - 10:26 PM
12:01 AM - 1:31 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:31 AM
Sun Transit: 12:42 AM
Sunset: 6:54 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:32 PM
Moon Transit: 5:51 PM
Moonset: 10:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:24 AM - 9:54 AM
5:21 PM - 7:51 PM

Minor Periods

9:39 PM - 11:09 PM
1:02 PM - 2:32 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:31 AM
Sun Transit: 12:42 AM
Sunset: 6:54 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:32 PM
Moon Transit: 5:51 PM
Moonset: 10:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:24 AM - 9:54 AM
5:21 PM - 7:51 PM

Minor Periods

9:39 PM - 11:09 PM
1:02 PM - 2:32 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:32 AM
Sun Transit: 12:42 AM
Sunset: 6:53 PM
Daylight: 12 hrs 20 mins
Moonrise: 2:27 PM
Moon Transit: 6:43 PM
Moonset: 10:59 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
6:13 PM - 8:43 PM

Minor Periods

10:29 PM - 11:59 PM
1:57 PM - 3:27 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:32 AM
Sun Transit: 12:42 AM
Sunset: 6:53 PM
Daylight: 12 hrs 20 mins
Moonrise: 2:27 PM
Moon Transit: 6:43 PM
Moonset: 10:59 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
6:13 PM - 8:43 PM

Minor Periods

10:29 PM - 11:59 PM
1:57 PM - 3:27 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:33 AM
Sun Transit: 12:42 AM
Sunset: 6:51 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:15 PM
Moon Transit: 7:34 PM
Moonset: 11:56 PM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

9:07 AM - 11:37 AM
7:04 PM - 9:34 PM

Minor Periods

12:00 AM - 12:00 AM
2:45 PM - 4:15 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:33 AM
Sun Transit: 12:42 AM
Sunset: 6:51 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:15 PM
Moon Transit: 7:34 PM
Moonset: 11:56 PM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

9:07 AM - 11:37 AM
7:04 PM - 9:34 PM

Minor Periods

12:00 AM - 12:00 AM
2:45 PM - 4:15 PM

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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