Water Temperature of the Connecticut River in Middletown, CT

Current Water Temperature

79.0°F

Measurement Time: Monday, July 20, 2026, 8:15 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

75.9°F
Sunny
Sunny
77.4°F
80°F
37%
WSW 2.7 mph
3.1 mph
79.5°F
55.7°F
0 in
0%
9 mi
1016 mbar
8.5

Five Day Weather Forecast

Sunny
Mon
H: 81°F
L: 58°F
Sunny
Tue
H: 80°F
L: 58°F
Fog
Wed
H: 87°F
L: 62°F
Sunny
Thu
H: 78°F
L: 53°F
Sunny
Fri
H: 83°F
L: 51°F

Air Quality

AQI: 2 - Moderate
PM2.5: 4 μg/m3
PM10: 4.3 μg/m3
Carbon Monoxide: 104 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:56 AM
Sunset: 8:19 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:42 AM
Moon Transit: 6:10 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:42 AM - 10:12 AM
5:40 PM - 8:10 PM

Minor Periods

12:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 20 at 2:27AM EDT until July 22 at 6:00AM EDT by NWS Upton NY

Effective: Mon July 20, 2026, 2:27 AM
Expires: Mon July 20, 2026, 6:00 PM

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and seas 5 to 8 feet expected. * WHERE...Sandy Hook NJ to Montauk Point NY out 20 nm. * WHEN...From 8 AM Tuesday to 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Monday, July 20, 2026

Weather Forecast

Sunny
81°F
57.7°F
69.1°F
66%
0 in
4%
0%
8.3 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 4.28 μg/m3
PM10: 4.66 μg/m3
Carbon Monoxide: 118.46 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 75.13 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:56 AM
Sunset: 8:19 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:42 AM
Moon Transit: 6:10 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:42 AM - 10:12 AM
5:40 PM - 8:10 PM

Minor Periods

12:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
79.5°F
58.1°F
69.6°F
84%
0.53 in
82%
0%
13.4 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 8.45 μg/m3
PM10: 11.1 μg/m3
Carbon Monoxide: 133.58 μg/m3
Nitrogen Dioxide: 2.81 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 86.21 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:56 AM
Sunset: 8:19 PM
Daylight: 14 hrs 44 mins
Moonrise: 1:47 PM
Moon Transit: 6:54 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
6:24 PM - 8:54 PM

Minor Periods

1:17 PM - 2:47 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Fog
87.1°F
61.6°F
73.4°F
78%
0.08 in
65%
0%
12.8 mph
5.7


Air Quality

AQI: 1 - Good
PM2.5: 3.37 μg/m3
PM10: 3.59 μg/m3
Carbon Monoxide: 140.92 μg/m3
Nitrogen Dioxide: 3.26 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 98.13 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:56 AM
Sunset: 8:18 PM
Daylight: 14 hrs 42 mins
Moonrise: 2:52 PM
Moon Transit: 7:40 PM
Moonset: 12:54 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

9:11 AM - 11:41 AM
7:10 PM - 9:40 PM

Minor Periods

2:22 PM - 3:52 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
77.6°F
52.8°F
65.5°F
63%
0 in
6%
0%
11.9 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 3.99 μg/m3
Carbon Monoxide: 158.87 μg/m3
Nitrogen Dioxide: 6.51 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 69.29 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:56 AM
Sunset: 8:17 PM
Daylight: 14 hrs 41 mins
Moonrise: 3:56 PM
Moon Transit: 8:28 PM
Moonset: 12:22 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

9:58 AM - 12:28 AM
7:58 PM - 10:28 PM

Minor Periods

3:26 PM - 4:56 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
82.8°F
51.4°F
66.8°F
58%
0 in
3%
0%
8.5 mph
7


Air Quality

AQI: 2 - Moderate
PM2.5: 16.72 μg/m3
PM10: 16.96 μg/m3
Carbon Monoxide: 428.89 μg/m3
Nitrogen Dioxide: 30.48 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 35.89 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:56 AM
Sunset: 8:16 PM
Daylight: 14 hrs 39 mins
Moonrise: 4:57 PM
Moon Transit: 9:17 PM
Moonset: 12:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:47 AM - 1:17 PM
8:47 PM - 11:17 PM

Minor Periods

4:27 PM - 5:57 PM
12:25 AM - 1:55 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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