Water Temperature of the Mystic River in Noank, CT

Current Water Temperature

46.0°F

Measurement Time: Monday, April 10, 2023, 7:42 AM EDT

Temperature Locations

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Local Points of Interest

Groton, CT

Mystic River

Station Name: MYSTIC RIVER AT RAM ISLAND YACHT CLUB AT NOANK, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
54 Front St
Noank, CT 06340
New London County

GPS Coordinates: 41.32768056, -71.9841611

Nearby Water Temperatures

Mystic Harbor, Mystic, CT (1.5 mi)
Mystic River, Mystic, CT (2.5 mi)
Mystic River, Old Mystic, CT (3.6 mi)
Thames River, Groton, CT (5.3 mi)
Thames River, New London, CT (6.5 mi)
Pawcatuck River, Westerly, RI (8.7 mi)
Yantic River, Norwich, CT (17.5 mi)
Connecticut River, Old Lyme, CT (18.8 mi)
Fort Pond Bay, Montauk, NY (19.3 mi)
East Branch Eightmile River, Lyme, CT (19.4 mi)
Eightmile River, East Haddam, CT (19.7 mi)
Orient Harbor, Orient, NY (21.3 mi)
Connecticut River, Middletown, CT (33 mi)
Natchaug River, Chaplin, CT (34.3 mi)
Great Harbor, North Kingstown, RI (34.7 mi)

Weather for Noank, Connecticut

Current Weather

81°F
Sunny
Sunny
83.2°F
92°F
58%
SSW 8.5 mph
14.1 mph
86.5°F
70.1°F
0 in
0%
9 mi
1020 mbar
9.4

Five Day Weather Forecast

Sunny
Tue
H: 88°F
L: 65°F
Sunny
Wed
H: 80°F
L: 68°F
Sunny
Thu
H: 87°F
L: 69°F
Sunny
Fri
H: 89°F
L: 75°F
Sunny
Sat
H: 86°F
L: 70°F

Air Quality

AQI: 1 - Good
PM2.5: 14.6 μg/m3
PM10: 18.9 μg/m3
Carbon Monoxide: 158 μg/m3
Nitrogen Dioxide: 6.1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 103 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:51 AM
Sunset: 8:25 PM
Daylight: 15 hrs 8 mins
Moonrise: 9:22 PM
Moon Transit: 1:03 AM
Moonset: 5:27 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
3:27 PM - 5:57 PM

Minor Periods

8:52 PM - 10:22 PM
4:57 AM - 6:27 AM

Action Rating: 5 out of 5

Extreme Heat Watch issued June 30 at 2:41AM EDT until July 4 at 9:00PM EDT by NWS Upton NY

Effective: Tue June 30, 2026, 2:41 AM
Expires: Tue June 30, 2026, 5:00 PM

* WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...In Connecticut, Northern New London, Southern Middlesex, and Southern New London Counties. In New York, Northeast Suffolk, Northern Nassau, Northwest Suffolk, Southeast Suffolk, Southern Nassau, and Southwest Suffolk Counties. * WHEN...From Wednesday afternoon through Saturday evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...This has potential to be a multi-day extreme heat event with near record high temperatures and little overnight relief. This level of heat can be deadly for those without adequate cooling and hydration. Impacts to transportation infrastructure and electrical and water systems are also possible.

An Extreme Heat Watch means that the combination of heat and humidity could create a dangerous situation in which heat illnesses are possible. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible, and drink plenty of water. Seniors and those with chronic health problems or mental health conditions are at an increased risk. Homes without air conditioning can be much hotter than outdoor temperatures. Use air conditioning to stay cool at home or go to a place that has air conditioning. If you don't have home air conditioning, continue to seek out cool spaces each day as long as it remains hot, and for a few days after if your home is still hot. Check on vulnerable friends, family members and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke call 9 1 1.


Extreme Heat Warning issued June 30 at 1:38AM EDT until July 4 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue June 30, 2026, 1:38 AM
Expires: Tue June 30, 2026, 2:45 PM

* WHAT...Dangerously hot conditions with afternoon heat index values of 98 to 112 degrees expected Wednesday through Saturday afternoons. Currently...Thursday and Friday look to be the worst of the heat and humidity but regardless this will be a prolonged and dangerous heatwave. * WHERE...This extreme heat warning includes all of southern New England except the Berkshires and south coasts of Massachusetts and Rhode Island...where the watch extreme heat watch remains in place. * WHEN...From 10 AM Wednesday to 8 PM EDT Saturday. THe worst of the heat and humidity looks to be Thursday and Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...This will be a prolonged and dangerous heatwave with little relief at night! Low temperatures will only be dropping into the lower to middle 70s. In fact...the urban heat island of Boston will only see low temperatures drop into the upper 70s to near 80!

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Tuesday, June 30, 2026

Weather Forecast

Sunny
88.2°F
64.6°F
74.7°F
74%
0 in
11%
0%
13.9 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 11.97 μg/m3
PM10: 15.57 μg/m3
Carbon Monoxide: 129.83 μg/m3
Nitrogen Dioxide: 4.77 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 104.46 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:51 AM
Sunset: 8:25 PM
Daylight: 15 hrs 8 mins
Moonrise: 9:22 PM
Moon Transit: 1:03 AM
Moonset: 5:27 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
3:27 PM - 5:57 PM

Minor Periods

8:52 PM - 10:22 PM
4:57 AM - 6:27 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
79.9°F
67.5°F
73.2°F
74%
0.02 in
37%
0%
17.2 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 11.58 μg/m3
PM10: 15.08 μg/m3
Carbon Monoxide: 112.25 μg/m3
Nitrogen Dioxide: 3.24 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 93.75 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:51 AM
Sunset: 8:25 PM
Daylight: 15 hrs 7 mins
Moonrise: 9:55 PM
Moon Transit: 1:53 AM
Moonset: 6:29 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
4:16 PM - 6:46 PM

Minor Periods

9:25 PM - 10:55 PM
5:59 AM - 7:29 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
87°F
69.3°F
77.1°F
77%
0.03 in
40%
0%
11.2 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 13.1 μg/m3
PM10: 17.01 μg/m3
Carbon Monoxide: 143.88 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 99.17 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:52 AM
Sunset: 8:25 PM
Daylight: 15 hrs 6 mins
Moonrise: 10:22 PM
Moon Transit: 2:40 AM
Moonset: 7:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
5:02 PM - 7:32 PM

Minor Periods

9:52 PM - 11:22 PM
7:04 AM - 8:34 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
89°F
74.5°F
81.3°F
66%
0 in
5%
0%
12.1 mph
9.9


Air Quality

AQI: 2 - Moderate
PM2.5: 20.32 μg/m3
PM10: 24.6 μg/m3
Carbon Monoxide: 180.9 μg/m3
Nitrogen Dioxide: 9.66 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 141.29 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:52 AM
Sunset: 8:25 PM
Daylight: 15 hrs 6 mins
Moonrise: 10:46 PM
Moon Transit: 3:26 AM
Moonset: 8:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
5:46 PM - 8:16 PM

Minor Periods

10:16 PM - 11:46 PM
8:09 AM - 9:39 AM

Action Rating: 4 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
86.3°F
70°F
77°F
77%
0.24 in
70%
0%
19 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 13.63 μg/m3
PM10: 15.89 μg/m3
Carbon Monoxide: 282.33 μg/m3
Nitrogen Dioxide: 12.21 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 87.89 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:52 AM
Sunset: 8:25 PM
Daylight: 15 hrs 5 mins
Moonrise: 11:07 PM
Moon Transit: 4:10 AM
Moonset: 9:44 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
6:30 PM - 9:00 PM

Minor Periods

12:00 AM - 12:00 AM
9:14 AM - 10:44 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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