Water Temperature of the Thames River in New London, CT

Current Water Temperature

49.3°F

Measurement Time: Wednesday, April 22, 2026, 6:06 AM EDT

Today's Tides

 High: April 22, 1:45 AM, 3.1 ft
Low: April 22, 8:39 AM, 0.0 ft
 High: April 22, 2:19 PM, 2.4 ft
Low: April 22, 8:47 PM, 0.4 ft

Temperature Locations

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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

43°F
Overcast
Overcast
37°F
39.4°F
70%
S 10.7 mph
14.3 mph
35.3°F
32.8°F
0 in
100%
9 mi
1023 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 46°F
L: 37°F
Partly Cloudy
Thu
H: 58°F
L: 40°F
Patchy rain nearby
Fri
H: 50°F
L: 42°F
Patchy rain nearby
Sat
H: 50°F
L: 39°F
Patchy rain nearby
Sun
H: 54°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 10.55 μg/m3
PM10: 15.65 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 108 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 12:46 AM
Sunset: 7:36 PM
Daylight: 13 hrs 38 mins
Moonrise: 9:56 AM
Moon Transit: 6:01 PM
Moonset: 1:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
5:31 PM - 8:01 PM

Minor Periods

9:26 AM - 10:56 AM
12:39 AM - 2:09 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
46.2°F
36.9°F
42.1°F
84%
0.02 in
66%
0%
14.5 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 10.14 μg/m3
PM10: 14.97 μg/m3
Carbon Monoxide: 163.93 μg/m3
Nitrogen Dioxide: 2.44 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 107.36 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 12:46 AM
Sunset: 7:36 PM
Daylight: 13 hrs 38 mins
Moonrise: 9:56 AM
Moon Transit: 6:01 PM
Moonset: 1:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
5:31 PM - 8:01 PM

Minor Periods

9:26 AM - 10:56 AM
12:39 AM - 2:09 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Partly Cloudy
58.1°F
40°F
48°F
73%
0 in
0%
0%
15.4 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 10.94 μg/m3
PM10: 13.72 μg/m3
Carbon Monoxide: 175.21 μg/m3
Nitrogen Dioxide: 6.99 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 91.28 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 12:46 AM
Sunset: 7:37 PM
Daylight: 13 hrs 41 mins
Moonrise: 11:11 AM
Moon Transit: 7:00 PM
Moonset: 1:58 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
6:30 PM - 9:00 PM

Minor Periods

10:41 AM - 12:11 AM
1:28 AM - 2:58 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Patchy rain nearby
50.1°F
42.2°F
44.7°F
73%
0.12 in
89%
0%
13.6 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 8.43 μg/m3
PM10: 9.55 μg/m3
Carbon Monoxide: 185.73 μg/m3
Nitrogen Dioxide: 14.99 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 63.68 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:46 AM
Sunset: 7:38 PM
Daylight: 13 hrs 43 mins
Moonrise: 12:26 AM
Moon Transit: 7:52 PM
Moonset: 2:36 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

9:25 AM - 11:55 AM
7:22 PM - 9:52 PM

Minor Periods

11:56 AM - 1:26 PM
2:06 AM - 3:36 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Patchy rain nearby
50.3°F
39.2°F
44.6°F
72%
0.01 in
87%
0%
8.9 mph
3.6


Air Quality

AQI: 1 - Good
PM2.5: 7.76 μg/m3
PM10: 10.2 μg/m3
Carbon Monoxide: 203.35 μg/m3
Nitrogen Dioxide: 5.99 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 90.68 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 12:46 AM
Sunset: 7:39 PM
Daylight: 13 hrs 46 mins
Moonrise: 1:38 PM
Moon Transit: 8:40 PM
Moonset: 3:06 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

10:15 AM - 12:45 AM
8:10 PM - 10:40 PM

Minor Periods

1:08 PM - 2:38 PM
2:36 AM - 4:06 AM

Action Rating: 2 out of 5

Sunday, April 26, 2026

Weather Forecast

Patchy rain nearby
54°F
39.8°F
45.2°F
80%
0.01 in
89%
0%
8.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 5.17 μg/m3
PM10: 7.27 μg/m3
Carbon Monoxide: 154.89 μg/m3
Nitrogen Dioxide: 2.93 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 80.46 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:46 AM
Sunset: 7:41 PM
Daylight: 13 hrs 48 mins
Moonrise: 2:47 PM
Moon Transit: 9:25 PM
Moonset: 3:30 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

11:01 AM - 1:31 PM
8:55 PM - 11:25 PM

Minor Periods

2:17 PM - 3:47 PM
3:00 AM - 4:30 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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