Water Temperature of the Connecticut River in Middletown, CT

Current Water Temperature

63.0°F

Measurement Time: Wednesday, May 20, 2026, 6:15 AM EDT

Temperature Locations

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Local Points of Interest

East Hampton, CT

Connecticut River

Station Name: CONNECTICUT RIVER AT MIDDLE HADDAM, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 26 feet

Nearest Address:
1 River Rd
Middletown, CT 06424
Middlesex County

GPS Coordinates: 41.5417656, -72.5531454

Nearby Water Temperatures

Eightmile River, East Haddam, CT (13.3 mi)
East Branch Eightmile River, Lyme, CT (13.8 mi)
Quinnipiac River, Wallingford, CT (16.2 mi)
North Branch Park River, Hartford, CT (18.6 mi)
Connecticut River, Old Lyme, CT (19.1 mi)
Yantic River, Norwich, CT (22.4 mi)
New Haven Harbor, New Haven, CT (25.6 mi)
Thames River, New London, CT (26.4 mi)
Naugatuck River, Beacon Falls, CT (27.2 mi)
Thames River, Groton, CT (27.8 mi)
Natchaug River, Chaplin, CT (29.9 mi)
Orient Harbor, Orient, NY (30.8 mi)
Connecticut River, Suffield, CT (30.9 mi)
Mystic River, Old Mystic, CT (32.6 mi)
Mystic River, Mystic, CT (32.8 mi)

Weather for Middletown, Connecticut

Current Weather

86.8°F
Sunny
Sunny
88.4°F
88.4°F
42%
WSW 11.2 mph
12.9 mph
86.8°F
62.2°F
0 in
14%
6 mi
1013 mbar
7.2

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 91°F
L: 60°F
Partly Cloudy
Thu
H: 67°F
L: 47°F
Sunny
Fri
H: 69°F
L: 42°F
Patchy rain nearby
Sat
H: 60°F
L: 50°F
Partly Cloudy
Sun
H: 60°F
L: 45°F

Air Quality

PM2.5: 8.75 μg/m3
PM10: 10.25 μg/m3
Carbon Monoxide: 156.85 μg/m3
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 110 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:46 AM
Sunset: 8:08 PM
Daylight: 14 hrs 42 mins
Moonrise: 8:56 AM
Moon Transit: 4:52 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:17 AM - 8:47 AM
4:22 PM - 6:52 PM

Minor Periods

8:26 AM - 9:56 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Heat Advisory issued May 20 at 1:29AM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed May 20, 2026, 1:29 AM
Expires: Wed May 20, 2026, 8:00 PM

* WHAT...Heat index values up to 96. * WHERE...Much of Southern New England, except for the eastern slopes of the Berkshires, the Rhode Island and Massachusetts South Coast, Cape Cod and the Islands. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and moderate humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Wednesday, May 20, 2026

Weather Forecast

Patchy rain nearby
91°F
60.3°F
72.1°F
69%
0.05 in
81%
0%
13.2 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 10.33 μg/m3
PM10: 12.2 μg/m3
Carbon Monoxide: 161.85 μg/m3
Nitrogen Dioxide: 8.65 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 94.04 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:46 AM
Sunset: 8:08 PM
Daylight: 14 hrs 42 mins
Moonrise: 8:56 AM
Moon Transit: 4:52 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:17 AM - 8:47 AM
4:22 PM - 6:52 PM

Minor Periods

8:26 AM - 9:56 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Partly Cloudy
67.3°F
47.3°F
58.3°F
54%
0 in
0%
0%
9.2 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 3 μg/m3
PM10: 3.27 μg/m3
Carbon Monoxide: 140.72 μg/m3
Nitrogen Dioxide: 4.39 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 73.64 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:46 AM
Sunset: 8:09 PM
Daylight: 14 hrs 43 mins
Moonrise: 10:14 AM
Moon Transit: 5:48 PM
Moonset: 12:37 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:16 AM - 9:46 AM
5:18 PM - 7:48 PM

Minor Periods

9:44 AM - 11:14 AM
12:07 AM - 1:37 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
68.5°F
41.7°F
54.8°F
59%
0 in
0%
0%
10.1 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 6.11 μg/m3
PM10: 7.07 μg/m3
Carbon Monoxide: 170.65 μg/m3
Nitrogen Dioxide: 7.53 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 74.84 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:46 AM
Sunset: 8:10 PM
Daylight: 14 hrs 45 mins
Moonrise: 11:29 AM
Moon Transit: 6:39 PM
Moonset: 1:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

8:09 AM - 10:39 AM
6:09 PM - 8:39 PM

Minor Periods

10:59 AM - 12:29 AM
12:40 AM - 2:10 AM

Action Rating: 3 out of 5

Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
59.5°F
50.2°F
53.2°F
78%
0.01 in
89%
0%
7.2 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 8.94 μg/m3
PM10: 12.01 μg/m3
Carbon Monoxide: 161.47 μg/m3
Nitrogen Dioxide: 8.27 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 69.54 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:47 AM
Sunset: 8:11 PM
Daylight: 14 hrs 47 mins
Moonrise: 12:41 AM
Moon Transit: 7:25 PM
Moonset: 1:36 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

8:57 AM - 11:27 AM
6:55 PM - 9:25 PM

Minor Periods

12:11 AM - 1:41 PM
1:06 AM - 2:36 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Partly Cloudy
60.3°F
45°F
52.4°F
61%
0 in
0%
0%
10.7 mph
4


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: 5:23 AM
Sun Transit: 12:47 AM
Sunset: 8:12 PM
Daylight: 14 hrs 49 mins
Moonrise: 1:48 PM
Moon Transit: 8:09 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

9:41 AM - 12:11 AM
7:39 PM - 10:09 PM

Minor Periods

1:18 PM - 2:48 PM
1:29 AM - 2:59 AM

Action Rating: 2 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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