Water Temperature of the Thames River in New London, CT

Current Water Temperature

52.0°F

Measurement Time: Wednesday, May 27, 2026, 5:36 PM EDT

Today's Tides

Low: May 27, 1:48 AM, 0.4 ft
 High: May 27, 7:28 AM, 2.3 ft
Low: May 27, 1:40 PM, 0.6 ft
 High: May 27, 7:44 PM, 3.2 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

81°F
Sunny
Sunny
85°F
85°F
53%
WSW 11 mph
23 mph
81.4°F
71.1°F
0 in
0%
9 mi
1006 mbar
1.5

Five Day Weather Forecast

Sunny
Wed
H: 83°F
L: 59°F
Sunny
Thu
H: 69°F
L: 56°F
Patchy rain nearby
Fri
H: 67°F
L: 53°F
Cloudy
Sat
H: 56°F
L: 47°F
Patchy rain nearby
Sun
H: 67°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 10.55 μg/m3
PM10: 11.45 μg/m3
Carbon Monoxide: 192.85 μg/m3
Nitrogen Dioxide: 13.45 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:45 AM
Sunset: 8:12 PM
Daylight: 14 hrs 52 mins
Moonrise: 4:58 PM
Moon Transit: 10:13 PM
Moonset: 2:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

11:49 AM - 2:19 PM
12:00 AM - 12:00 AM

Minor Periods

4:28 PM - 5:58 PM
2:29 AM - 3:59 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Sunny
82.9°F
58.6°F
69.4°F
77%
0 in
0%
0%
12.5 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 14.4 μg/m3
PM10: 15.49 μg/m3
Carbon Monoxide: 204.09 μg/m3
Nitrogen Dioxide: 12.35 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 88.76 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:45 AM
Sunset: 8:12 PM
Daylight: 14 hrs 52 mins
Moonrise: 4:58 PM
Moon Transit: 10:13 PM
Moonset: 2:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

11:49 AM - 2:19 PM
12:00 AM - 12:00 AM

Minor Periods

4:28 PM - 5:58 PM
2:29 AM - 3:59 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Sunny
68.8°F
55.6°F
62.9°F
65%
0 in
0%
0%
10.5 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 5.39 μg/m3
PM10: 5.66 μg/m3
Carbon Monoxide: 178.49 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 78.96 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:45 AM
Sunset: 8:13 PM
Daylight: 14 hrs 53 mins
Moonrise: 6:02 PM
Moon Transit: 10:58 PM
Moonset: 3:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 PM
12:00 AM - 12:00 AM

Minor Periods

5:32 PM - 7:02 PM
2:51 AM - 4:21 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Patchy rain nearby
66.7°F
53°F
59°F
69%
0.03 in
86%
0%
18.3 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 4.97 μg/m3
PM10: 5.64 μg/m3
Carbon Monoxide: 148.38 μg/m3
Nitrogen Dioxide: 6.17 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 67.2 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:45 AM
Sunset: 8:13 PM
Daylight: 14 hrs 55 mins
Moonrise: 7:06 PM
Moon Transit: 11:45 PM
Moonset: 3:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

1:19 PM - 3:49 PM
12:00 AM - 12:00 AM

Minor Periods

6:36 PM - 8:06 PM
3:17 AM - 4:47 AM

Action Rating: 3 out of 5

Saturday, May 30, 2026

Weather Forecast

Cloudy
56.1°F
46.5°F
51.8°F
62%
0 in
0%
0%
21.9 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 5.12 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 145.29 μg/m3
Nitrogen Dioxide: 3.48 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 84.96 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:46 AM
Sunset: 8:14 PM
Daylight: 14 hrs 56 mins
Moonrise: 8:09 PM
Moon Transit: 12:00 AM
Moonset: 4:19 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:07 PM - 4:37 PM

Minor Periods

7:39 PM - 9:09 PM
3:49 AM - 5:19 AM

Action Rating: 4 out of 5

Sunday, May 31, 2026

Weather Forecast

Patchy rain nearby
67.3°F
47.2°F
58.3°F
60%
0 in
69%
0%
16.6 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 1.33 μg/m3
PM10: 1.45 μg/m3
Carbon Monoxide: 123.7 μg/m3
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 74.92 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:46 AM
Sunset: 8:15 PM
Daylight: 14 hrs 57 mins
Moonrise: 9:07 PM
Moon Transit: 12:34 AM
Moonset: 4:56 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
2:57 PM - 5:27 PM

Minor Periods

8:37 PM - 10:07 PM
4:26 AM - 5:56 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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