Water Temperature of the Thames River in New London, CT

Current Water Temperature

34.9°F

Measurement Time: Monday, February 16, 2026, 1:24 AM EST

Today's Tides

Low: February 16, 2:27 AM, 0.0 ft
 High: February 16, 8:36 AM, 2.7 ft
Low: February 16, 3:00 PM, -0.2 ft
 High: February 16, 8:55 PM, 2.3 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

28.9°F
Partly cloudy
Partly cloudy
19.5°F
29.8°F
61%
ENE 10.7 mph
15.4 mph
23.4°F
18.8°F
0 in
50%
9 mi
1020 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 39°F
L: 28°F
Overcast
Tue
H: 37°F
L: 32°F
Fog
Wed
H: 35°F
L: 32°F
Patchy moderate snow
Thu
H: 36°F
L: 31°F
Moderate rain
Fri
H: 37°F
L: 30°F

Air Quality

PM2.5: 6.15 μg/m3
PM10: 8.45 μg/m3
Carbon Monoxide: 203.85 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 90 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:02 AM
Sunset: 5:23 PM
Daylight: 10 hrs 41 mins
Moonrise: 6:25 AM
Moon Transit: 11:26 AM
Moonset: 4:37 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

1:00 AM - 3:30 AM
10:56 AM - 1:26 PM

Minor Periods

4:07 PM - 5:37 PM
5:55 AM - 7:25 AM

Action Rating: 4 out of 5

Monday, February 16, 2026

Weather Forecast

Sunny
39°F
27.9°F
33°F
74%
0 in
0%
0%
11.4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.33 μg/m3
PM10: 8.21 μg/m3
Carbon Monoxide: 220.29 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 87.92 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:02 AM
Sunset: 5:23 PM
Daylight: 10 hrs 41 mins
Moonrise: 6:25 AM
Moon Transit: 11:26 AM
Moonset: 4:37 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

1:00 AM - 3:30 AM
10:56 AM - 1:26 PM

Minor Periods

4:07 PM - 5:37 PM
5:55 AM - 7:25 AM

Action Rating: 4 out of 5

Tuesday, February 17, 2026

Weather Forecast

Overcast
37°F
31.6°F
33.8°F
93%
0 in
0%
0%
9.6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 15.44 μg/m3
PM10: 18.55 μg/m3
Carbon Monoxide: 317.53 μg/m3
Nitrogen Dioxide: 23.51 μg/m3
Sulphur Dioxide: 2.63 μg/m3
Ozone: 55.48 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:02 AM
Sunset: 5:25 PM
Daylight: 10 hrs 44 mins
Moonrise: 6:50 AM
Moon Transit: 12:13 AM
Moonset: 5:47 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:47 AM - 4:17 AM
11:43 AM - 2:13 PM

Minor Periods

5:17 PM - 6:47 PM
6:20 AM - 7:50 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Fog
35.1°F
32.4°F
33.7°F
98%
0.55 in
87%
10%
9.4 mph
0.4


Air Quality

AQI: 2 - Moderate
PM2.5: 17.92 μg/m3
PM10: 20.45 μg/m3
Carbon Monoxide: 325.82 μg/m3
Nitrogen Dioxide: 32.59 μg/m3
Sulphur Dioxide: 3.93 μg/m3
Ozone: 43.84 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:02 AM
Sunset: 5:26 PM
Daylight: 10 hrs 46 mins
Moonrise: 7:13 AM
Moon Transit: 1:00 PM
Moonset: 6:57 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

2:34 AM - 5:04 AM
12:30 AM - 3:00 PM

Minor Periods

6:27 PM - 7:57 PM
6:43 AM - 8:13 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Patchy moderate snow
35.6°F
30.6°F
33.2°F
87%
0.02 in
60%
21%
9.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 9.72 μg/m3
PM10: 10.7 μg/m3
Carbon Monoxide: 282.58 μg/m3
Nitrogen Dioxide: 10.73 μg/m3
Sulphur Dioxide: 2.46 μg/m3
Ozone: 63.23 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:02 AM
Sunset: 5:27 PM
Daylight: 10 hrs 49 mins
Moonrise: 7:34 AM
Moon Transit: 4:07 PM
Moonset: 8:07 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

3:19 AM - 5:49 AM
3:37 PM - 6:07 PM

Minor Periods

7:37 PM - 9:07 PM
7:04 AM - 8:34 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Moderate rain
36.9°F
30.4°F
34.3°F
92%
0.29 in
75%
0%
11.6 mph
1


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: 6:37 AM
Sun Transit: 12:02 AM
Sunset: 5:28 PM
Daylight: 10 hrs 52 mins
Moonrise: 7:57 AM
Moon Transit: 2:31 PM
Moonset: 9:19 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

8:49 PM - 10:19 PM
7:27 AM - 8:57 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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