Water Temperature of the Mystic River in Mystic, CT

Current Water Temperature

49.3°F

Measurement Time: Monday, April 10, 2023, 5:18 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

46.9°F
Sunny
Sunny
42.4°F
50.6°F
58%
SSW 9.6 mph
12.3 mph
47°F
27.7°F
0 in
0%
9 mi
1031 mbar
1.2

Five Day Weather Forecast

Sunny
Sun
H: 57°F
L: 36°F
Patchy rain nearby
Mon
H: 51°F
L: 44°F
Partly Cloudy
Tue
H: 63°F
L: 50°F
Patchy rain nearby
Wed
H: 66°F
L: 50°F
Patchy rain nearby
Thu
H: 68°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 12.25 μg/m3
PM10: 16.65 μg/m3
Carbon Monoxide: 188.85 μg/m3
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 100 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 12:48 AM
Sunset: 7:25 PM
Daylight: 13 hrs 12 mins
Moonrise: 3:50 AM
Moon Transit: 8:53 AM
Moonset: 2:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:23 AM - 10:53 AM
12:00 AM - 12:00 AM

Minor Periods

1:36 PM - 3:06 PM
3:20 AM - 4:50 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Sunny
56.8°F
36.3°F
46.2°F
48%
0 in
0%
0%
11.9 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 7.79 μg/m3
PM10: 9.09 μg/m3
Carbon Monoxide: 187.21 μg/m3
Nitrogen Dioxide: 7.44 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 86.52 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 12:48 AM
Sunset: 7:25 PM
Daylight: 13 hrs 12 mins
Moonrise: 3:50 AM
Moon Transit: 8:53 AM
Moonset: 2:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:23 AM - 10:53 AM
12:00 AM - 12:00 AM

Minor Periods

1:36 PM - 3:06 PM
3:20 AM - 4:50 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
50.5°F
43.7°F
48.2°F
94%
0.18 in
88%
0%
19.5 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 10.58 μg/m3
PM10: 14.15 μg/m3
Carbon Monoxide: 164.89 μg/m3
Nitrogen Dioxide: 4.04 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 106.64 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:48 AM
Sunset: 7:26 PM
Daylight: 13 hrs 14 mins
Moonrise: 4:15 AM
Moon Transit: 9:39 AM
Moonset: 3:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:09 AM - 11:39 AM

Minor Periods

2:45 PM - 4:15 PM
3:45 AM - 5:15 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Partly Cloudy
63.3°F
50°F
55°F
90%
0 in
0%
0%
10.5 mph
1.7


Air Quality

AQI: 2 - Moderate
PM2.5: 15.83 μg/m3
PM10: 17.04 μg/m3
Carbon Monoxide: 194.49 μg/m3
Nitrogen Dioxide: 15.57 μg/m3
Sulphur Dioxide: 3.98 μg/m3
Ozone: 83.44 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 12:48 AM
Sunset: 7:27 PM
Daylight: 13 hrs 17 mins
Moonrise: 4:38 AM
Moon Transit: 10:25 AM
Moonset: 4:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
9:55 AM - 12:25 AM

Minor Periods

3:55 PM - 5:25 PM
4:08 AM - 5:38 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Patchy rain nearby
65.6°F
50.2°F
58°F
82%
0.1 in
64%
0%
17.2 mph
1.7


Air Quality

AQI: 2 - Moderate
PM2.5: 19.12 μg/m3
PM10: 20.79 μg/m3
Carbon Monoxide: 200.95 μg/m3
Nitrogen Dioxide: 18.97 μg/m3
Sulphur Dioxide: 3.4 μg/m3
Ozone: 79.92 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 12:47 AM
Sunset: 7:28 PM
Daylight: 13 hrs 20 mins
Moonrise: 5:00 AM
Moon Transit: 11:11 AM
Moonset: 5:37 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

11:03 AM - 1:33 PM
10:41 AM - 1:11 PM

Minor Periods

5:07 PM - 6:37 PM
4:30 AM - 6:00 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Patchy rain nearby
67.6°F
52.9°F
60°F
87%
0.03 in
78%
0%
12.1 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 14.37 μg/m3
PM10: 17.4 μg/m3
Carbon Monoxide: 223.94 μg/m3
Nitrogen Dioxide: 9.91 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 82.85 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:47 AM
Sunset: 7:29 PM
Daylight: 13 hrs 22 mins
Moonrise: 5:22 AM
Moon Transit: 12:00 AM
Moonset: 6:53 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
11:30 AM - 2:00 PM

Minor Periods

6:23 PM - 7:53 PM
4:52 AM - 6:22 AM

Action Rating: 5 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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