Water Temperature of the Thames River in New London, CT
Current Water Temperature
39.0°F
Measurement Time: Friday, March 14, 2025, 11:54 PM EDT
Today's Tides
Low: March 15, 5:10 AM, -0.02 ft
High: March 15, 10:59 AM, 2.40 ft
Low: March 15, 5:18 PM, 0.13 ft
High: March 15, 11:14 PM, 2.74 ft
Temperature Locations
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Local Points of Interest
Riverside Park; Groton, CTSponsored Content
Thames River
Station Name: New London
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 26 feet / 8 meters
Sensor Depth: -3.1 feet / -1.0 meters
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 (13.0 mi)
Yantic River, Norwich, CT (13.0 mi)
Eightmile River, East Haddam, CT (13.2 mi)
Connecticut River, Old Lyme, CT (13.6 mi)
Pawcatuck River, Westerly, RI (13.6 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)
Bear Tree Brook, Clayville, RI (35.8 mi)
Weather for New London, Connecticut
Current Weather
36°F

Conditions: Clear
Humidity: 89%
Feels Like: 32°F
Wind: SSE 4.7 mph
Wind Gusts: 9.4 mph
Humidity: 89%
Feels Like: 32°F
Wind: SSE 4.7 mph
Wind Gusts: 9.4 mph
Pressure: 30.16 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Sat
H: 44°F
L: 37°F

Sun
H: 52°F
L: 42°F

Mon
H: 53°F
L: 44°F

Tue
H: 53°F
L: 38°F

Wed
H: 51°F
L: 39°F
Air Quality
PM2.5:
27.01 μg/m3
PM10:
37.56 μg/m3
Carbon Monoxide: 329.3 μg/m3
Nitrogen Dioxide: 11.47 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 72 μg/m3
Nitrogen Dioxide: 11.47 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 72 μg/m3
Astronomical
Sunrise: 7:00 AM
Sun Transit: 12:57 AM
Sunset: 6:56 PM
Daylight: 11 hrs 56 mins
Sun Transit: 12:57 AM
Sunset: 6:56 PM
Daylight: 11 hrs 56 mins
Moonrise: 8:31 PM
Moon Transit: 1:34 AM
Moonset: 7:28 AM
Moon Phase: Full
Moon Illumination: 97.0%
Moon Transit: 1:34 AM
Moonset: 7:28 AM
Moon Phase: Full
Moon Illumination: 97.0%
Best Times for Fishing or Hunting
Major Periods
1:04 AM - 3:34 AM3:51 PM - 6:21 PM
Minor Periods
8:01 PM - 9:31 PM6:58 AM - 8:28 AM
Action Rating: 4 out of 5
Saturday, March 15, 2025
Weather Forecast
Conditions: Overcast
Average Temperature: 40.7°F
Average Humidity: 95%
Average Temperature: 40.7°F
Average Humidity: 95%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 0.8
Wind: 9.6 mph
UV Index: 0.8
Air Quality
AQI:
2 - Moderate
PM2.5:
22.39 μg/m3
PM10:
30 μg/m3
Carbon Monoxide: 374.14 μg/m3
Nitrogen Dioxide: 20.79 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 74.32 μg/m3
Nitrogen Dioxide: 20.79 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 74.32 μg/m3
Astronomical
Sunrise: 7:00 AM
Sun Transit: 12:57 AM
Sunset: 6:56 PM
Daylight: 11 hrs 56 mins
Sun Transit: 12:57 AM
Sunset: 6:56 PM
Daylight: 11 hrs 56 mins
Moonrise: 8:31 PM
Moon Transit: 1:34 AM
Moonset: 7:28 AM
Moon Phase: Full
Moon Illumination: 97.0%
Moon Transit: 1:34 AM
Moonset: 7:28 AM
Moon Phase: Full
Moon Illumination: 97.0%
Best Times for Fishing or Hunting
Major Periods
1:04 AM - 3:34 AM3:51 PM - 6:21 PM
Minor Periods
8:01 PM - 9:31 PM6:58 AM - 8:28 AM
Action Rating: 4 out of 5
Sunday, March 16, 2025
Weather Forecast
Conditions: Overcast
Average Temperature: 49°F
Average Humidity: 98%
Average Temperature: 49°F
Average Humidity: 98%
Chance of Rain: 0%
Wind: 24.4 mph
UV Index: 0.6
Wind: 24.4 mph
UV Index: 0.6
Air Quality
AQI:
2 - Moderate
PM2.5:
21.36 μg/m3
PM10:
31.06 μg/m3
Carbon Monoxide: 292.45 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 90.12 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 90.12 μg/m3
Astronomical
Sunrise: 6:58 AM
Sun Transit: 12:56 AM
Sunset: 6:57 PM
Daylight: 11 hrs 59 mins
Sun Transit: 12:56 AM
Sunset: 6:57 PM
Daylight: 11 hrs 59 mins
Moonrise: 9:32 PM
Moon Transit: 2:13 AM
Moonset: 7:47 AM
Moon Phase: Full
Moon Illumination: 91.9%
Moon Transit: 2:13 AM
Moonset: 7:47 AM
Moon Phase: Full
Moon Illumination: 91.9%
Best Times for Fishing or Hunting
Major Periods
1:43 AM - 4:13 AM4:31 PM - 7:01 PM
Minor Periods
9:02 PM - 10:32 PM7:17 AM - 8:47 AM
Action Rating: 5 out of 5
Monday, March 17, 2025
Weather Forecast
Conditions: Heavy rain
Average Temperature: 50.8°F
Average Humidity: 96%
Average Temperature: 50.8°F
Average Humidity: 96%
Chance of Rain: 89%
Wind: 23.7 mph
UV Index: 0.2
Wind: 23.7 mph
UV Index: 0.2
Air Quality
AQI:
1 - Good
PM2.5:
10.59 μg/m3
PM10:
13.96 μg/m3
Carbon Monoxide: 350.24 μg/m3
Nitrogen Dioxide: 13.56 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 76.64 μg/m3
Nitrogen Dioxide: 13.56 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 76.64 μg/m3
Astronomical
Sunrise: 6:56 AM
Sun Transit: 12:56 AM
Sunset: 6:58 PM
Daylight: 12 hrs 1 mins
Sun Transit: 12:56 AM
Sunset: 6:58 PM
Daylight: 12 hrs 1 mins
Moonrise: 10:35 PM
Moon Transit: 2:54 AM
Moonset: 8:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.7%
Moon Transit: 2:54 AM
Moonset: 8:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.7%
Best Times for Fishing or Hunting
Major Periods
2:24 AM - 4:54 AM5:12 PM - 7:42 PM
Minor Periods
10:05 PM - 11:35 PM7:37 AM - 9:07 AM
Action Rating: 2 out of 5
Tuesday, March 18, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 45°F
Average Humidity: 70%
Average Temperature: 45°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 1.1
Wind: 12.3 mph
UV Index: 1.1
Air Quality
AQI:
1 - Good
PM2.5:
2.87 μg/m3
PM10:
2.93 μg/m3
Carbon Monoxide: 353.49 μg/m3
Nitrogen Dioxide: 8.2 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 79.38 μg/m3
Nitrogen Dioxide: 8.2 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 79.38 μg/m3
Astronomical
Sunrise: 6:55 AM
Sun Transit: 12:56 AM
Sunset: 6:59 PM
Daylight: 12 hrs 4 mins
Sun Transit: 12:56 AM
Sunset: 6:59 PM
Daylight: 12 hrs 4 mins
Moonrise: 11:39 PM
Moon Transit: 3:36 AM
Moonset: 8:31 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.7%
Moon Transit: 3:36 AM
Moonset: 8:31 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.7%
Best Times for Fishing or Hunting
Major Periods
3:06 AM - 5:36 AM5:56 PM - 8:26 PM
Minor Periods
12:00 AM - 12:00 AM8:01 AM - 9:31 AM
Action Rating: 2 out of 5
Wednesday, March 19, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 42.6°F
Average Humidity: 80%
Average Temperature: 42.6°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 0
Wind: 6.9 mph
UV Index: 0
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
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sunrise: 6:53 AM
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 12 hrs 7 mins
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 12 hrs 7 mins
Moonrise: 12:39 AM
Moon Transit: 4:21 AM
Moonset: 8:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.4%
Moon Transit: 4:21 AM
Moonset: 8:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.4%
Best Times for Fishing or Hunting
Major Periods
3:51 AM - 6:21 AM6:43 PM - 9:13 PM
Minor Periods
8:29 AM - 9:59 AM12:00 AM - 12:00 AM
Action Rating: 3 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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