Water Temperature of the Thames River in New London, CT

Current Water Temperature

35.2°F

Measurement Time: Tuesday, March 10, 2026, 2:48 PM EDT

Today's Tides

 High: March 10, 3:04 AM, 2.4 ft
Low: March 10, 9:51 AM, 0.4 ft
 High: March 10, 3:39 PM, 1.8 ft
Low: March 10, 9:51 PM, 0.7 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

50.5°F
Fog
Fog
47.3°F
49.7°F
77%
SSW 8.3 mph
17.4 mph
47.6°F
50°F
0 in
0%
9 mi
1016 mbar
2.7

Five Day Weather Forecast

Fog
Tue
H: 51°F
L: 36°F
Fog
Wed
H: 45°F
L: 35°F
Overcast
Thu
H: 49°F
L: 31°F
Patchy rain nearby
Fri
H: 38°F
L: 28°F
Patchy rain nearby
Sat
H: 44°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 8.25 μg/m3
PM10: 10.35 μg/m3
Carbon Monoxide: 248.85 μg/m3
Nitrogen Dioxide: 10.35 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:58 AM
Sunset: 6:50 PM
Daylight: 11 hrs 42 mins
Moonrise: 1:39 AM
Moon Transit: 6:02 AM
Moonset: 10:22 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:32 AM - 8:02 AM
8:25 PM - 10:55 PM

Minor Periods

9:52 AM - 11:22 AM
1:09 AM - 2:39 AM

Action Rating: 2 out of 5

Tuesday, March 10, 2026

Weather Forecast

Fog
51.1°F
35.6°F
43.3°F
98%
0 in
0%
0%
8.5 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 10.07 μg/m3
PM10: 10.83 μg/m3
Carbon Monoxide: 253.29 μg/m3
Nitrogen Dioxide: 14.15 μg/m3
Sulphur Dioxide: 2.28 μg/m3
Ozone: 53.12 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:58 AM
Sunset: 6:50 PM
Daylight: 11 hrs 42 mins
Moonrise: 1:39 AM
Moon Transit: 6:02 AM
Moonset: 10:22 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:32 AM - 8:02 AM
8:25 PM - 10:55 PM

Minor Periods

9:52 AM - 11:22 AM
1:09 AM - 2:39 AM

Action Rating: 2 out of 5

Wednesday, March 11, 2026

Weather Forecast

Fog
44.7°F
35.1°F
40.4°F
98%
0 in
0%
0%
14.8 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 13.12 μg/m3
PM10: 16.05 μg/m3
Carbon Monoxide: 194.25 μg/m3
Nitrogen Dioxide: 6.42 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 85.92 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:58 AM
Sunset: 6:51 PM
Daylight: 11 hrs 44 mins
Moonrise: 2:38 AM
Moon Transit: 6:53 AM
Moonset: 11:07 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
9:17 PM - 11:47 PM

Minor Periods

10:37 AM - 12:07 AM
2:08 AM - 3:38 AM

Action Rating: 2 out of 5

Thursday, March 12, 2026

Weather Forecast

Overcast
48.9°F
30.5°F
41.9°F
85%
0 in
0%
0%
20.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.84 μg/m3
PM10: 8.79 μg/m3
Carbon Monoxide: 175.97 μg/m3
Nitrogen Dioxide: 5.94 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 80.44 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:58 AM
Sunset: 6:52 PM
Daylight: 11 hrs 47 mins
Moonrise: 3:30 AM
Moon Transit: 7:45 AM
Moonset: 12:02 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

7:15 AM - 9:45 AM
12:00 AM - 12:00 AM

Minor Periods

11:32 AM - 1:02 PM
3:00 AM - 4:30 AM

Action Rating: 3 out of 5

Friday, March 13, 2026

Weather Forecast

Patchy rain nearby
37.9°F
28.4°F
33.9°F
62%
0.03 in
69%
0%
17.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.55 μg/m3
PM10: 5.74 μg/m3
Carbon Monoxide: 180.12 μg/m3
Nitrogen Dioxide: 5.21 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 90.16 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:57 AM
Sunset: 6:53 PM
Daylight: 11 hrs 50 mins
Moonrise: 4:16 AM
Moon Transit: 8:36 AM
Moonset: 1:03 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:06 AM - 10:36 AM
12:00 AM - 12:00 AM

Minor Periods

12:33 AM - 2:03 PM
3:46 AM - 5:16 AM

Action Rating: 2 out of 5

Saturday, March 14, 2026

Weather Forecast

Patchy rain nearby
43.6°F
32.7°F
39.9°F
63%
0.01 in
85%
0%
24.8 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 7.76 μg/m3
PM10: 11.26 μg/m3
Carbon Monoxide: 158.43 μg/m3
Nitrogen Dioxide: 4.26 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 101.08 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:57 AM
Sunset: 6:54 PM
Daylight: 11 hrs 52 mins
Moonrise: 4:53 AM
Moon Transit: 9:27 AM
Moonset: 2:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

8:57 AM - 11:27 AM
12:00 AM - 12:00 AM

Minor Periods

1:39 PM - 3:09 PM
4:23 AM - 5:53 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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