Water Temperature of the Thames River in New London, CT

Current Water Temperature

70.0°F

Measurement Time: Sunday, August 30, 2026, 11:24 AM EDT

Today's Tides

Low: August 30, 5:29 AM, 0.2 ft
 High: August 30, 11:36 AM, 3.1 ft
Low: August 30, 6:04 PM, 0.3 ft
 High: August 30, 11:45 PM, 2.8 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

76°F
Mostly Sunny
Mostly Sunny
62%
SW 8 mph
62°F

Weather Forecast

Mostly Sunny then Slight Chance Rain Showers
Today
81°F - Mostly Sunny then Slight Chance Rain Showers
Chance Rain Showers
Tonight
63°F - Chance Rain Showers
Sunny
Monday
79°F - Sunny
Rain Showers Likely
Monday Night
63°F - Rain Showers Likely
Rain Showers
Tuesday
77°F - Rain Showers
Showers And Thunderstorms
Tuesday Night
63°F - Showers And Thunderstorms
Chance Rain Showers
Wednesday
77°F - Chance Rain Showers
Showers And Thunderstorms Likely
Wednesday Night
63°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Thursday
78°F - Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Thursday Night
63°F - Chance Showers And Thunderstorms
Chance Rain Showers
Friday
78°F - Chance Rain Showers
Chance Rain Showers
Friday Night
59°F - Chance Rain Showers
Chance Rain Showers
Saturday
75°F - Chance Rain Showers
Chance Rain Showers
Saturday Night
57°F - Chance Rain Showers

Astronomical

Sunrise: 6:13 AM
Sun Transit: 12:48 AM
Sunset: 7:24 PM
Daylight: 13 hrs 11 mins
Moonrise: 8:23 PM
Moon Transit: 12:49 AM
Moonset: 8:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

7:53 PM - 9:23 PM
8:16 AM - 9:46 AM

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: 6:13 AM
Sun Transit: 12:48 AM
Sunset: 7:24 PM
Daylight: 13 hrs 11 mins
Moonrise: 8:23 PM
Moon Transit: 12:49 AM
Moonset: 8:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

7:53 PM - 9:23 PM
8:16 AM - 9:46 AM

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: 6:13 AM
Sun Transit: 12:48 AM
Sunset: 7:24 PM
Daylight: 13 hrs 11 mins
Moonrise: 8:23 PM
Moon Transit: 12:49 AM
Moonset: 8:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

7:53 PM - 9:23 PM
8:16 AM - 9:46 AM

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: 6:14 AM
Sun Transit: 12:48 AM
Sunset: 7:23 PM
Daylight: 13 hrs 9 mins
Moonrise: 8:47 PM
Moon Transit: 3:02 AM
Moonset: 9:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:32 AM - 5:02 AM
5:24 PM - 7:54 PM

Minor Periods

8:17 PM - 9:47 PM
9:26 AM - 10:56 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: 6:14 AM
Sun Transit: 12:48 AM
Sunset: 7:23 PM
Daylight: 13 hrs 9 mins
Moonrise: 8:47 PM
Moon Transit: 3:02 AM
Moonset: 9:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:32 AM - 5:02 AM
5:24 PM - 7:54 PM

Minor Periods

8:17 PM - 9:47 PM
9:26 AM - 10:56 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: 6:15 AM
Sun Transit: 12:48 AM
Sunset: 7:21 PM
Daylight: 13 hrs 6 mins
Moonrise: 9:15 PM
Moon Transit: 3:51 AM
Moonset: 11:09 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:21 AM - 5:51 AM
6:14 PM - 8:44 PM

Minor Periods

8:45 PM - 10:15 PM
10:39 AM - 12:09 AM

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: 6:15 AM
Sun Transit: 12:48 AM
Sunset: 7:21 PM
Daylight: 13 hrs 6 mins
Moonrise: 9:15 PM
Moon Transit: 3:51 AM
Moonset: 11:09 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:21 AM - 5:51 AM
6:14 PM - 8:44 PM

Minor Periods

8:45 PM - 10:15 PM
10:39 AM - 12:09 AM

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: 6:16 AM
Sun Transit: 12:48 AM
Sunset: 7:19 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:50 PM
Moon Transit: 4:42 AM
Moonset: 12:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
7:09 PM - 9:39 PM

Minor Periods

9:20 PM - 10:50 PM
11:54 AM - 1:24 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: 6:16 AM
Sun Transit: 12:48 AM
Sunset: 7:19 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:50 PM
Moon Transit: 4:42 AM
Moonset: 12:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
7:09 PM - 9:39 PM

Minor Periods

9:20 PM - 10:50 PM
11:54 AM - 1:24 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: 6:17 AM
Sun Transit: 12:47 AM
Sunset: 7:18 PM
Daylight: 13 hrs 1 mins
Moonrise: 10:35 PM
Moon Transit: 5:39 AM
Moonset: 1:39 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:09 AM - 7:39 AM
8:08 PM - 10:38 PM

Minor Periods

10:05 PM - 11:35 PM
1:09 PM - 2:39 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: 6:17 AM
Sun Transit: 12:47 AM
Sunset: 7:18 PM
Daylight: 13 hrs 1 mins
Moonrise: 10:35 PM
Moon Transit: 5:39 AM
Moonset: 1:39 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:09 AM - 7:39 AM
8:08 PM - 10:38 PM

Minor Periods

10:05 PM - 11:35 PM
1:09 PM - 2:39 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: 6:18 AM
Sun Transit: 12:47 AM
Sunset: 7:16 PM
Daylight: 12 hrs 58 mins
Moonrise: 11:30 PM
Moon Transit: 6:39 AM
Moonset: 2:50 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:09 AM - 8:39 AM
9:10 PM - 11:40 PM

Minor Periods

12:00 AM - 12:00 AM
2:20 PM - 3:50 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: 6:18 AM
Sun Transit: 12:47 AM
Sunset: 7:16 PM
Daylight: 12 hrs 58 mins
Moonrise: 11:30 PM
Moon Transit: 6:39 AM
Moonset: 2:50 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:09 AM - 8:39 AM
9:10 PM - 11:40 PM

Minor Periods

12:00 AM - 12:00 AM
2:20 PM - 3:50 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: 6:19 AM
Sun Transit: 12:47 AM
Sunset: 7:14 PM
Daylight: 12 hrs 55 mins
Moonrise: 12:30 AM
Moon Transit: 7:42 AM
Moonset: 3:53 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:12 AM - 9:42 AM
12:00 AM - 12:00 AM

Minor Periods

3:23 PM - 4:53 PM
12:00 AM - 12:00 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: 6:19 AM
Sun Transit: 12:47 AM
Sunset: 7:14 PM
Daylight: 12 hrs 55 mins
Moonrise: 12:30 AM
Moon Transit: 7:42 AM
Moonset: 3:53 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:12 AM - 9:42 AM
12:00 AM - 12:00 AM

Minor Periods

3:23 PM - 4:53 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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