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

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Mystic River

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

Elevation Above Sea Level: 0 feet / 0 meters

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

GPS Coordinates: 41.3614722, -71.96727778

Nearby Water Temperatures

Mystic Harbor, Mystic, CT (1.0 mi)
Mystic River, Old Mystic, CT (1.1 mi)
Mystic River, Noank, CT (2.5 mi)
Thames River, Groton, CT (6.0 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)
Natchaug River, Chaplin, CT (32.2 mi)
Wilbur Hollow Brook, Clayville, RI (32.7 mi)
Hemlock Brook, Foster, RI (32.7 mi)
Great Harbor, North Kingstown, RI (32.8 mi)

Weather for Mystic, Connecticut

Current Weather

42.1°F
Clear
Conditions: Clear
Humidity: 85%
Feels Like: 39.3°F
Wind: NW 4.5 mph
Wind Gusts: 9.4 mph
Pressure: 29.78 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Cloudy
Wed
H: 53°F
L: 36°F
Overcast
Thu
H: 40°F
L: 35°F
Overcast
Fri
H: 44°F
L: 36°F
Patchy rain nearby
Sat
H: 50°F
L: 38°F
Patchy rain nearby
Sun
H: 54°F
L: 50°F

Air Quality

PM2.5: 8.7 μg/m3
PM10: 9.44 μg/m3
Carbon Monoxide: 349.65 μg/m3
Nitrogen Dioxide: 5 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:57 AM
Sunset: 6:52 PM
Daylight: 11 hrs 48 mins
Moonrise: 5:24 PM
Moon Transit: 12:00 AM
Moonset: 6:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:51 PM - 4:21 PM

Minor Periods

4:54 PM - 6:24 PM
6:00 AM - 7:30 AM

Action Rating: 4 out of 5

Wednesday, March 12, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 43.1°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 8.27 μg/m3
PM10: 9.42 μg/m3
Carbon Monoxide: 367.41 μg/m3
Nitrogen Dioxide: 10.25 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 88.08 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:57 AM
Sunset: 6:52 PM
Daylight: 11 hrs 48 mins
Moonrise: 5:24 PM
Moon Transit: 12:00 AM
Moonset: 6:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:51 PM - 4:21 PM

Minor Periods

4:54 PM - 6:24 PM
6:00 AM - 7:30 AM

Action Rating: 4 out of 5

Thursday, March 13, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 37.1°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 14.39 μg/m3
PM10: 19.99 μg/m3
Carbon Monoxide: 348.1 μg/m3
Nitrogen Dioxide: 9.77 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 86.88 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:57 AM
Sunset: 6:53 PM
Daylight: 11 hrs 50 mins
Moonrise: 6:28 PM
Moon Transit: 12:13 AM
Moonset: 6:51 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:32 PM - 5:02 PM

Minor Periods

5:58 PM - 7:28 PM
6:21 AM - 7:51 AM

Action Rating: 3 out of 5

Friday, March 14, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 39°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 8.1 mph
UV Index: 1

Air Quality

AQI: 2 - Moderate
PM2.5: 27.53 μg/m3
PM10: 35.7 μg/m3
Carbon Monoxide: 359.42 μg/m3
Nitrogen Dioxide: 21.42 μg/m3
Sulphur Dioxide: 5.02 μg/m3
Ozone: 72.96 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:56 AM
Sunset: 6:54 PM
Daylight: 11 hrs 53 mins
Moonrise: 7:29 PM
Moon Transit: 12:54 AM
Moonset: 7:09 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 AM
3:12 PM - 5:42 PM

Minor Periods

6:59 PM - 8:29 PM
6:39 AM - 8:09 AM

Action Rating: 5 out of 5

Saturday, March 15, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 45.3°F
Average Humidity: 91%
Chance of Rain: 87%
Wind: 8.3 mph
UV Index: 0.5

Air Quality

AQI: 2 - Moderate
PM2.5: 19.64 μg/m3
PM10: 25.53 μg/m3
Carbon Monoxide: 379.96 μg/m3
Nitrogen Dioxide: 15.3 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 70.92 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:56 AM
Sunset: 6:55 PM
Daylight: 11 hrs 56 mins
Moonrise: 8:31 PM
Moon Transit: 1:33 AM
Moonset: 7:27 AM
Moon Phase: Full
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

1:03 AM - 3:33 AM
3:51 PM - 6:21 PM

Minor Periods

8:01 PM - 9:31 PM
6:57 AM - 8:27 AM

Action Rating: 4 out of 5

Sunday, March 16, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 51.8°F
Average Humidity: 98%
Chance of Rain: 86%
Wind: 23.3 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

Astronomical

Sunrise: 6:58 AM
Sun Transit: 12:56 AM
Sunset: 6:56 PM
Daylight: 11 hrs 59 mins
Moonrise: 9:32 PM
Moon Transit: 2:13 AM
Moonset: 7:46 AM
Moon Phase: Full
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
4:31 PM - 7:01 PM

Minor Periods

9:02 PM - 10:32 PM
7:16 AM - 8:46 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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