Water Temperature of the Thames River in New London, CT
Current Water Temperature
Measurement Time: Sunday, December 28, 2025, 8:18 AM EST
Today's Tides
High: December 28, 3:23 AM, 2.5 ft
Low: December 28, 10:01 AM, 0.2 ft
High: December 28, 3:30 PM, 2.1 ft
Low: December 28, 10:01 PM, 0.0 ft
Temperature Locations
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Local Points of Interest
Riverside Park; Groton, CTSponsored Content
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
Humidity: 75%
Heat Index: 14.5°F
Feels Like: 11.6°F
Wind: NW 1.9 mph
Wind Gusts: 5 mph
Wind Chill: 11.6°F
Dew Point: 11.6°F
Chance of Precipitation: 8%
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 10 mi
UV Index: 0
Five Day Weather Forecast

Sun
H: 32°F
L: 14°F

Mon
H: 47°F
L: 34°F

Tue
H: 33°F
L: 27°F

Wed
H: 34°F
L: 27°F

Thu
H: 33°F
L: 31°F
Air Quality
Nitrogen Dioxide: 14.85 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 57 μg/m3
Astronomical
Sun Transit: 11:50 AM
Sunset: 4:27 PM
Daylight: 9 hrs 13 mins
Moon Transit: 6:36 PM
Moonset: 12:26 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%
Best Times for Fishing or Hunting
Major Periods
8:10 AM - 10:40 AM6:06 PM - 8:36 PM
Minor Periods
11:17 AM - 12:47 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Special Weather Statement issued December 27 at 2:59PM EST by NWS Upton NY
Effective: Sat December 27, 2025, 2:59 PM
Expires: Sun December 28, 2025, 12:00 PM
Tonight, temperatures will be well below freezing and winds should remain on the lighter side, preventing some of the roads and other surfaces from drying out. Any existing areas of snowmelt could lead to black ice formation on area roadways, bridges, overpasses, and any untreated surfaces. Motorists and pedestrians should use caution. Reduce speed, allow extra time, and be prepared for areas of slippery travel Saturday evening through midday Sunday.
Winter Weather Advisory issued December 28 at 1:20AM EST until December 29 at 12:00AM EST by NWS Upton NY
Effective: Sun December 28, 2025, 1:20 AM
Expires: Sun December 28, 2025, 2:00 PM
* WHAT...Freezing rain expected. Total ice accumulations up to one tenth of an inch. * WHERE...Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. * WHEN...From 4 PM this afternoon to midnight EST tonight. * IMPACTS...Difficult travel conditions are possible.
Slow down and use caution while traveling. Prepare for possible power outages. Check local Department of Transportation information services for the latest road conditions.
Winter Weather Advisory issued December 28 at 1:06AM EST until December 29 at 6:00AM EST by NWS Boston/Norton MA
Effective: Sun December 28, 2025, 1:06 AM
Expires: Sun December 28, 2025, 2:15 PM
* WHAT...Freezing rain expected. Total ice accumulations up to two tenths of an inch. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 7 PM this evening to 6 AM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Difficult travel conditions are possible. The hazardous conditions could impact the Monday morning commute.
Slow down and use caution while traveling. Prepare for possible power outages. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.
Winter Weather Advisory issued December 28 at 1:06AM EST until December 29 at 6:00AM EST by NWS Boston/Norton MA
Effective: Sun December 28, 2025, 1:06 AM
Expires: Sun December 28, 2025, 2:15 PM
* WHAT...Freezing rain expected. Total ice accumulations around one tenth of an inch. * WHERE...In Massachusetts, Eastern Norfolk MA, Suffolk MA, and Eastern Essex MA Counties. In Rhode Island, Western Kent RI County. * WHEN...From 7 PM this evening to 6 AM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Difficult travel conditions are possible. The hazardous conditions could impact the Monday morning commute.
Slow down and use caution while traveling. Prepare for possible power outages. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.
Weather Forecast
Average Temperature: 24.4°F
Average Humidity: 75%
Wind: 12.3 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 15.82 μg/m3
Sulphur Dioxide: 3.83 μg/m3
Ozone: 57.44 μg/m3
Astronomical
Sun Transit: 11:50 AM
Sunset: 4:27 PM
Daylight: 9 hrs 13 mins
Moon Transit: 6:36 PM
Moonset: 12:26 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%
Best Times for Fishing or Hunting
Major Periods
8:10 AM - 10:40 AM6:06 PM - 8:36 PM
Minor Periods
11:17 AM - 12:47 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 42.6°F
Average Humidity: 93%
Wind: 27.7 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 9.53 μg/m3
Sulphur Dioxide: 2.51 μg/m3
Ozone: 65.08 μg/m3
Astronomical
Sun Transit: 11:50 AM
Sunset: 4:28 PM
Daylight: 9 hrs 14 mins
Moon Transit: 7:28 PM
Moonset: 1:40 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
9:00 AM - 11:30 AM6:58 PM - 9:28 PM
Minor Periods
11:44 AM - 1:14 PM1:10 AM - 2:40 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 29.5°F
Average Humidity: 65%
Wind: 27.7 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 4.71 μg/m3
Sulphur Dioxide: 2.36 μg/m3
Ozone: 70.88 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:28 PM
Daylight: 9 hrs 14 mins
Moon Transit: 8:25 PM
Moonset: 2:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%
Best Times for Fishing or Hunting
Major Periods
9:55 AM - 12:25 AM7:55 PM - 10:25 PM
Minor Periods
12:16 AM - 1:46 PM2:28 AM - 3:58 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 30.7°F
Average Humidity: 65%
Wind: 24.8 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 7.09 μg/m3
Sulphur Dioxide: 3.6 μg/m3
Ozone: 72.6 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:29 PM
Daylight: 9 hrs 15 mins
Moon Transit: 9:27 PM
Moonset: 4:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%
Best Times for Fishing or Hunting
Major Periods
10:55 AM - 1:25 PM8:57 PM - 11:27 PM
Minor Periods
12:58 AM - 2:28 PM3:48 AM - 5:18 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 32.3°F
Average Humidity: 78%
Wind: 19 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 8.07 μg/m3
Sulphur Dioxide: 4.38 μg/m3
Ozone: 65.46 μg/m3
Astronomical
Sun Transit: 11:52 AM
Sunset: 4:30 PM
Daylight: 9 hrs 16 mins
Moon Transit: 10:33 PM
Moonset: 5:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 2:30 PM12:00 AM - 12:00 AM
Minor Periods
1:52 PM - 3:22 PM5:07 AM - 6:37 AM
Action Rating: 2 out of 5
