Water Temperature of the Thames River in New London, CT

Current Water Temperature

38.8°F

Measurement Time: Sunday, January 11, 2026, 7:42 PM EST

Today's Tides

 High: January 11, 3:32 AM, 2.4 ft
Low: January 11, 10:21 AM, 0.3 ft
 High: January 11, 3:57 PM, 1.7 ft
Low: January 11, 10:15 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

39°F
Overcast
Overcast
30.8°F
37°F
57%
WNW 14.3 mph
23.4 mph
31.3°F
33.5°F
0 in
100%
9 mi
1007 mbar
0

Five Day Weather Forecast

Moderate rain
Sun
H: 48°F
L: 33°F
Sunny
Mon
H: 40°F
L: 29°F
Partly Cloudy
Tue
H: 44°F
L: 33°F
Cloudy
Wed
H: 43°F
L: 38°F
Patchy rain nearby
Thu
H: 44°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 2.15 μg/m3
PM10: 2.25 μg/m3
Carbon Monoxide: 194.85 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 11:56 AM
Sunset: 4:40 PM
Daylight: 9 hrs 26 mins
Moonrise: 12:54 AM
Moon Transit: 6:10 AM
Moonset: 11:19 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
8:30 PM - 11:00 PM

Minor Periods

10:49 AM - 12:19 AM
12:24 AM - 1:54 AM

Action Rating: 2 out of 5

Sunday, January 11, 2026

Weather Forecast

Moderate rain
47.7°F
32.7°F
41.2°F
85%
0.55 in
87%
3%
20.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.31 μg/m3
PM10: 4.79 μg/m3
Carbon Monoxide: 228.21 μg/m3
Nitrogen Dioxide: 8.93 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 52.04 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 11:56 AM
Sunset: 4:40 PM
Daylight: 9 hrs 26 mins
Moonrise: 12:54 AM
Moon Transit: 6:10 AM
Moonset: 11:19 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
8:30 PM - 11:00 PM

Minor Periods

10:49 AM - 12:19 AM
12:24 AM - 1:54 AM

Action Rating: 2 out of 5

Monday, January 12, 2026

Weather Forecast

Sunny
40.3°F
29.3°F
33.8°F
65%
0 in
0%
6%
23.5 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 2.43 μg/m3
PM10: 2.63 μg/m3
Carbon Monoxide: 185.89 μg/m3
Nitrogen Dioxide: 5.28 μg/m3
Sulphur Dioxide: 2.13 μg/m3
Ozone: 70.92 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 11:56 AM
Sunset: 4:41 PM
Daylight: 9 hrs 28 mins
Moonrise: 1:57 AM
Moon Transit: 6:54 AM
Moonset: 11:44 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

6:24 AM - 8:54 AM
9:14 PM - 11:44 PM

Minor Periods

11:14 AM - 12:44 AM
1:27 AM - 2:57 AM

Action Rating: 2 out of 5

Tuesday, January 13, 2026

Weather Forecast

Partly Cloudy
44.1°F
32.9°F
37.1°F
73%
0 in
0%
0%
15.7 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 10.6 μg/m3
PM10: 11.32 μg/m3
Carbon Monoxide: 243.05 μg/m3
Nitrogen Dioxide: 22.51 μg/m3
Sulphur Dioxide: 8.75 μg/m3
Ozone: 37.96 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 11:57 AM
Sunset: 4:42 PM
Daylight: 9 hrs 29 mins
Moonrise: 3:00 AM
Moon Transit: 7:40 AM
Moonset: 12:14 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

7:10 AM - 9:40 AM
12:00 AM - 12:00 AM

Minor Periods

11:44 AM - 1:14 PM
2:30 AM - 4:00 AM

Action Rating: 3 out of 5

Wednesday, January 14, 2026

Weather Forecast

Cloudy
43.2°F
38.4°F
41°F
79%
0 in
0%
0%
17 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.72 μg/m3
PM10: 12.38 μg/m3
Carbon Monoxide: 211.83 μg/m3
Nitrogen Dioxide: 8.47 μg/m3
Sulphur Dioxide: 3.49 μg/m3
Ozone: 63.28 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 11:57 AM
Sunset: 4:43 PM
Daylight: 9 hrs 31 mins
Moonrise: 4:03 AM
Moon Transit: 8:28 AM
Moonset: 12:51 AM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

7:58 AM - 10:28 AM
12:00 AM - 12:00 AM

Minor Periods

12:21 AM - 1:51 PM
3:33 AM - 5:03 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Patchy rain nearby
43.7°F
31.7°F
37.8°F
85%
0.02 in
83%
9%
20.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 13.55 μg/m3
PM10: 15.6 μg/m3
Carbon Monoxide: 260.54 μg/m3
Nitrogen Dioxide: 22.17 μg/m3
Sulphur Dioxide: 4.41 μg/m3
Ozone: 41.92 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 11:57 AM
Sunset: 4:44 PM
Daylight: 9 hrs 32 mins
Moonrise: 5:03 AM
Moon Transit: 9:19 AM
Moonset: 1:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

8:49 AM - 11:19 AM
12:00 AM - 12:00 AM

Minor Periods

1:05 PM - 2:35 PM
4:33 AM - 6:03 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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