Water Temperature of the Mystic River in Mystic, CT
Current Water Temperature
Measurement Time: Monday, April 10, 2023, 5:24 AM EDT
Temperature Locations
View Nearby Locations View All Connecticut Locations View Locations Near Me
Local Points of Interest
Mystic SeaportStation 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

Five Day Weather Forecast

Fri
H: 34°F
L: 11°F

Sat
H: 26°F
L: 7°F

Sun
H: 19°F
L: 2°F

Mon
H: 21°F
L: 6°F

Tue
H: 30°F
L: 4°F
Air Quality
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 75 μg/m3
Astronomical
Sun Transit: 12:01 AM
Sunset: 5:10 PM
Daylight: 10 hrs 16 mins
Moon Transit: 3:21 AM
Moonset: 9:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
2:51 AM - 5:21 AM5:41 PM - 8:11 PM
Minor Periods
10:09 PM - 11:39 PM8:30 AM - 10:00 AM
Action Rating: 2 out of 5
Extreme Cold Watch issued February 5 at 1:03PM EST until February 8 at 1:00PM EST by NWS Upton NY
Effective: Thu February 5, 2026, 1:03 PM
Expires: Fri February 6, 2026, 5:00 AM
* WHAT...Dangerously cold wind chills of 20 below possible. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From Saturday evening through early Sunday afternoon. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. Monitor the latest forecasts and warnings for updates.
Cold Weather Advisory issued February 6 at 1:00AM EST until February 8 at 1:00PM EST by NWS Boston/Norton MA
Effective: Fri February 6, 2026, 1:00 AM
Expires: Fri February 6, 2026, 3:00 PM
* WHAT...Very cold wind chills as low as 20 below expected. * WHERE...Portions of eastern, northeastern, and southeastern Massachusetts and northern and southern Rhode Island. * WHEN...From 6 PM Saturday to 1 PM EST Sunday. * IMPACTS...The dangerously cold wind chills as low as 20 below zero could result in hypothermia or frostbite if precautions are not taken.
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Extreme Cold Watch issued February 5 at 12:13PM EST until February 8 at 1:00PM EST by NWS Boston/Norton MA
Effective: Thu February 5, 2026, 12:13 PM
Expires: Fri February 6, 2026, 5:00 AM
* WHAT...Dangerously cold wind chills as low as 20 to 25 below zero possible. * WHERE...All of Northern Connecticut. * WHEN...From Saturday evening through Sunday afternoon. * IMPACTS...The dangerously cold wind chills as low as 20 to 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside.
Extreme Cold Warning issued February 6 at 1:00AM EST until February 8 at 1:00PM EST by NWS Boston/Norton MA
Effective: Fri February 6, 2026, 1:00 AM
Expires: Fri February 6, 2026, 3:00 PM
* WHAT...Dangerously cold wind chills as low as 25 to 30 below expected. * WHERE...Portions of northern Connecticut and central and western Massachusetts. * WHEN...From 6 PM Saturday to 1 PM EST Sunday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside.
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.79 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 71.24 μg/m3
Astronomical
Sun Transit: 12:01 AM
Sunset: 5:10 PM
Daylight: 10 hrs 16 mins
Moon Transit: 3:21 AM
Moonset: 9:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
2:51 AM - 5:21 AM5:41 PM - 8:11 PM
Minor Periods
10:09 PM - 11:39 PM8:30 AM - 10:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.99 μg/m3
Sulphur Dioxide: 3.4 μg/m3
Ozone: 64.48 μg/m3
Astronomical
Sun Transit: 12:02 AM
Sunset: 5:12 PM
Daylight: 10 hrs 19 mins
Moon Transit: 4:04 AM
Moonset: 9:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
3:34 AM - 6:04 AM6:24 PM - 8:54 PM
Minor Periods
12:00 AM - 12:00 AM8:51 AM - 10:21 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.43 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 69.72 μg/m3
Astronomical
Sun Transit: 12:02 AM
Sunset: 5:13 PM
Daylight: 10 hrs 21 mins
Moon Transit: 4:47 AM
Moonset: 9:44 AM
Moon Phase: Last Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
4:17 AM - 6:47 AM7:08 PM - 9:38 PM
Minor Periods
9:14 AM - 10:44 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.04 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 71.96 μg/m3
Astronomical
Sun Transit: 12:02 AM
Sunset: 5:14 PM
Daylight: 10 hrs 24 mins
Moon Transit: 5:32 AM
Moonset: 10:13 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%
Best Times for Fishing or Hunting
Major Periods
5:02 AM - 7:32 AM7:55 PM - 10:25 PM
Minor Periods
9:43 AM - 11:13 AM12:17 AM - 1:47 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.83 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 74.54 μg/m3
Astronomical
Sun Transit: 12:02 AM
Sunset: 5:15 PM
Daylight: 10 hrs 26 mins
Moon Transit: 6:20 AM
Moonset: 10:46 AM
Moon Phase: Last Quarter
Moon Illumination: 30.3%
Best Times for Fishing or Hunting
Major Periods
5:50 AM - 8:20 AM8:44 PM - 11:14 PM
Minor Periods
10:16 AM - 11:46 AM1:20 AM - 2:50 AM
Action Rating: 2 out of 5
