Water Temperature of the Mystic River in Mystic, CT

Current Water Temperature

49.3°F

Measurement Time: Monday, April 10, 2023, 5:24 AM EDT

Temperature Locations

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Local Points of Interest

Mystic Seaport

Mystic River

Station Name: MYSTIC RIVER AT MYSTIC SEAPORT NEAR MYSTIC, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
93 Pearl St
Mystic, CT 06355
New London County

GPS Coordinates: 41.3614722, -71.96727778

Nearby Water Temperatures

Mystic Harbor, Mystic, CT (1 mi)
Mystic River, Old Mystic, CT (1.1 mi)
Mystic River, Noank, CT (2.5 mi)
Thames River, Groton, CT (6 mi)
Thames River, New London, CT (6.7 mi)
Pawcatuck River, Westerly, RI (7.1 mi)
Yantic River, Norwich, CT (15.8 mi)
East Branch Eightmile River, Lyme, CT (19.6 mi)
Eightmile River, East Haddam, CT (19.7 mi)
Connecticut River, Old Lyme, CT (19.9 mi)
Fort Pond Bay, Montauk, NY (21.6 mi)
Orient Harbor, Orient, NY (23.5 mi)
Natchaug River, Chaplin, CT (32.2 mi)
Wilbur Hollow Brook, Clayville, RI (32.7 mi)
Hemlock Brook, Foster, RI (32.7 mi)

Weather for Mystic, Connecticut

Current Weather

36°F
Overcast
Overcast
25.9°F
32.7°F
67%
SSW 17.2 mph
26 mph
23.2°F
23.3°F
0 in
100%
9 mi
1026 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 33°F
L: 12°F
Patchy rain nearby
Thu
H: 41°F
L: 33°F
Partly Cloudy
Fri
H: 35°F
L: 26°F
Sunny
Sat
H: 16°F
L: 8°F
Heavy snow
Sun
H: 17°F
L: 11°F

Air Quality

AQI: 1 - Good
PM2.5: 7.85 μg/m3
PM10: 11.15 μg/m3
Carbon Monoxide: 160.85 μg/m3
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 4:51 PM
Daylight: 9 hrs 43 mins
Moonrise: 8:46 AM
Moon Transit: 2:17 PM
Moonset: 7:59 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

3:53 AM - 6:23 AM
1:47 PM - 4:17 PM

Minor Periods

7:29 PM - 8:59 PM
8:16 AM - 9:46 AM

Action Rating: 2 out of 5

Wednesday, January 21, 2026

Weather Forecast

Sunny
33.3°F
12.2°F
23.8°F
57%
0 in
0%
0%
18.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 5.63 μg/m3
PM10: 6.32 μg/m3
Carbon Monoxide: 206.49 μg/m3
Nitrogen Dioxide: 7.6 μg/m3
Sulphur Dioxide: 4.71 μg/m3
Ozone: 70.12 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 4:51 PM
Daylight: 9 hrs 43 mins
Moonrise: 8:46 AM
Moon Transit: 2:17 PM
Moonset: 7:59 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

3:53 AM - 6:23 AM
1:47 PM - 4:17 PM

Minor Periods

7:29 PM - 8:59 PM
8:16 AM - 9:46 AM

Action Rating: 2 out of 5

Thursday, January 22, 2026

Weather Forecast

Patchy rain nearby
40.5°F
32.5°F
37.5°F
75%
0.06 in
72%
0%
20.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.69 μg/m3
PM10: 9.13 μg/m3
Carbon Monoxide: 196.09 μg/m3
Nitrogen Dioxide: 9.59 μg/m3
Sulphur Dioxide: 4.15 μg/m3
Ozone: 71.64 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:00 AM
Sunset: 4:52 PM
Daylight: 9 hrs 44 mins
Moonrise: 9:08 AM
Moon Transit: 12:00 AM
Moonset: 9:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:38 AM - 7:08 AM

Minor Periods

8:38 PM - 10:08 PM
8:38 AM - 10:08 AM

Action Rating: 3 out of 5

Friday, January 23, 2026

Weather Forecast

Partly Cloudy
34.5°F
25.5°F
32°F
53%
0 in
0%
0%
23 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 4.28 μg/m3
Carbon Monoxide: 193.69 μg/m3
Nitrogen Dioxide: 8.45 μg/m3
Sulphur Dioxide: 3.34 μg/m3
Ozone: 69.64 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:00 AM
Sunset: 4:53 PM
Daylight: 9 hrs 46 mins
Moonrise: 9:29 AM
Moon Transit: 9:54 AM
Moonset: 10:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

5:23 AM - 7:53 AM
9:24 AM - 11:54 AM

Minor Periods

9:47 PM - 11:17 PM
8:59 AM - 10:29 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Sunny
16°F
8.1°F
13.5°F
43%
0 in
0%
0%
20.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.6 μg/m3
PM10: 2.71 μg/m3
Carbon Monoxide: 164.61 μg/m3
Nitrogen Dioxide: 4.22 μg/m3
Sulphur Dioxide: 1.99 μg/m3
Ozone: 73.6 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 4:54 PM
Daylight: 9 hrs 48 mins
Moonrise: 9:51 AM
Moon Transit: 4:32 PM
Moonset: 11:28 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

6:08 AM - 8:38 AM
4:02 PM - 6:32 PM

Minor Periods

12:00 AM - 12:00 AM
9:21 AM - 10:51 AM

Action Rating: 2 out of 5

Sunday, January 25, 2026

Weather Forecast

Heavy snow
16.8°F
10.8°F
14.7°F
68%
0.57 in
68%
43%
16.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.16 μg/m3
PM10: 2.3 μg/m3
Carbon Monoxide: 163.27 μg/m3
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:00 AM
Sunset: 4:56 PM
Daylight: 9 hrs 50 mins
Moonrise: 10:16 AM
Moon Transit: 5:22 PM
Moonset: 12:28 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

6:56 AM - 9:26 AM
4:52 PM - 7:22 PM

Minor Periods

9:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Action Rating: 4 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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