Water Temperature of the Mystic River in Old Mystic, CT

Current Water Temperature

54.5°F

Measurement Time: Wednesday, April 5, 2023, 10:42 AM EDT

Temperature Locations

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Mystic River

Station Name: MYSTIC RIVER US RTE I95 BRIDGE NEAR OLD MYSTIC, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
3 Whitehall Lndg
Old Mystic, CT 06355
New London County

GPS Coordinates: 41.37782778, -71.9631806

Nearby Water Temperatures

Mystic River, Mystic, CT (1.1 mi)
Mystic Harbor, Mystic, CT (2.2 mi)
Mystic River, Noank, CT (3.6 mi)
Thames River, Groton, CT (6.5 mi)
Pawcatuck River, Westerly, RI (6.8 mi)
Thames River, New London, CT (6.9 mi)
Yantic River, Norwich, CT (14.9 mi)
East Branch Eightmile River, Lyme, CT (19.6 mi)
Eightmile River, East Haddam, CT (19.6 mi)
Connecticut River, Old Lyme, CT (20.4 mi)
Fort Pond Bay, Montauk, NY (22.8 mi)
Natchaug River, Chaplin, CT (31.2 mi)
Hemlock Brook, Foster, RI (31.6 mi)
Wilbur Hollow Brook, Clayville, RI (31.6 mi)
Bear Tree Brook, Clayville, RI (31.7 mi)

Weather for Old Mystic, Connecticut

Current Weather

55°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 80%
Feels Like: 51°F
Wind: S 15.7 mph
Wind Gusts: 21.4 mph
Pressure: 30.04 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 8 mi
UV Index: 1.6

Five Day Weather Forecast

Overcast
Sun
H: 52°F
L: 42°F
Heavy rain
Mon
H: 52°F
L: 43°F
Overcast
Tue
H: 51°F
L: 35°F
Overcast
Wed
H: 56°F
L: 40°F
Patchy rain nearby
Thu
H: 50°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 16.1 μg/m3
PM10: 22.2 μg/m3
Carbon Monoxide: 310.8 μg/m3
Nitrogen Dioxide: 4.63 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 90 μg/m3

Astronomical

Sunrise: 6:57 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

Sunday, March 16, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 48.4°F
Average Humidity: 98%
Chance of Rain: 0%
Wind: 18.3 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 13.8 μg/m3
PM10: 18.54 μg/m3
Carbon Monoxide: 301.11 μg/m3
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 82.84 μg/m3

Astronomical

Sunrise: 6:57 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

Monday, March 17, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 49.4°F
Average Humidity: 94%
Chance of Rain: 88%
Wind: 20.1 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 7.64 μg/m3
PM10: 9.27 μg/m3
Carbon Monoxide: 339.88 μg/m3
Nitrogen Dioxide: 9.51 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 78.8 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:56 AM
Sunset: 6:57 PM
Daylight: 12 hrs 1 mins
Moonrise: 10:35 PM
Moon Transit: 2:53 AM
Moonset: 8:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

2:23 AM - 4:53 AM
5:13 PM - 7:43 PM

Minor Periods

10:05 PM - 11:35 PM
7:37 AM - 9:07 AM

Action Rating: 2 out of 5

Tuesday, March 18, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 42.5°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 5.39 μg/m3
PM10: 5.61 μg/m3
Carbon Monoxide: 363.93 μg/m3
Nitrogen Dioxide: 13.99 μg/m3
Sulphur Dioxide: 2.88 μg/m3
Ozone: 75.2 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:55 AM
Sunset: 6:58 PM
Daylight: 12 hrs 4 mins
Moonrise: 11:38 PM
Moon Transit: 3:36 AM
Moonset: 8:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

3:06 AM - 5:36 AM
5:57 PM - 8:27 PM

Minor Periods

12:00 AM - 12:00 AM
8:00 AM - 9:30 AM

Action Rating: 2 out of 5

Wednesday, March 19, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 44.4°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 0.9

Air Quality

AQI: 2 - Moderate
PM2.5: 17.53 μg/m3
PM10: 18.69 μg/m3
Carbon Monoxide: 436.3 μg/m3
Nitrogen Dioxide: 36.09 μg/m3
Sulphur Dioxide: 6.02 μg/m3
Ozone: 64.12 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:00 AM
Sunset: 6:59 PM
Daylight: 12 hrs 7 mins
Moonrise: 12:38 AM
Moon Transit: 4:21 AM
Moonset: 8:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:51 AM - 6:21 AM
6:44 PM - 9:14 PM

Minor Periods

8:28 AM - 9:58 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, March 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 45.6°F
Average Humidity: 96%
Chance of Rain: 88%
Wind: 11.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 11.19 μg/m3
PM10: 14.62 μg/m3
Carbon Monoxide: 363.6 μg/m3
Nitrogen Dioxide: 12.25 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 72.38 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 4:38 AM
Sunset: 7:00 PM
Daylight: 12 hrs 10 mins
Moonrise: 12:43 AM
Moon Transit: 5:09 AM
Moonset: 9:32 AM
Moon Phase: Last Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

4:39 AM - 7:09 AM
7:34 PM - 10:04 PM

Minor Periods

9:02 AM - 10:32 AM
12:13 AM - 1:43 AM

Action Rating: 3 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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