Water Temperature of the Connecticut River in Middletown, CT

Current Water Temperature

81.3°F

Measurement Time: Wednesday, July 9, 2025, 1:15 AM EDT

Temperature Locations

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Local Points of Interest

East Hampton, CT

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Connecticut River

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

Elevation Above Sea Level: 26 feet / 8 meters

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

72°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 100%
Feels Like: 76.6°F
Wind: SW 2.2 mph
Wind Gusts: 4.2 mph
Pressure: 29.98 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 8 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Wed
H: 82°F
L: 72°F
Moderate rain
Thu
H: 75°F
L: 67°F
Overcast
Fri
H: 77°F
L: 68°F
Patchy rain nearby
Sat
H: 81°F
L: 67°F
Patchy rain nearby
Sun
H: 85°F
L: 66°F

Air Quality

PM2.5: 15.91 μg/m3
PM10: 16.1 μg/m3
Carbon Monoxide: 397.75 μg/m3
Nitrogen Dioxide: 9.99 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:55 AM
Sunset: 8:26 PM
Daylight: 15 hrs 1 mins
Moonrise: 8:07 PM
Moon Transit: 12:00 AM
Moonset: 3:41 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:50 PM - 4:20 PM

Minor Periods

7:37 PM - 9:07 PM
3:11 AM - 4:41 AM

Action Rating: 3 out of 5

Flood Watch issued July 8 at 2:16PM EDT until July 9 at 2:00AM EDT by NWS Upton NY

Effective: Tue July 8, 2025, 2:16 PM
Expires: Wed July 9, 2025, 2:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Connecticut, including the following areas, Northern Fairfield, Northern Middlesex, Northern New Haven, Northern New London, Southern Fairfield, Southern Middlesex, Southern New Haven and Southern New London, northeast New Jersey, including the following areas, Eastern Bergen, Eastern Essex, Eastern Passaic, Eastern Union, Hudson, Western Bergen, Western Essex, Western Passaic and Western Union, and southeast New York, including the following areas, Bronx, Kings (Brooklyn), New York (Manhattan), Northeast Suffolk, Northern Nassau, Northern Queens, Northern Westchester, Northwest Suffolk, Orange, Putnam, Richmond (Staten Island), Rockland, Southeast Suffolk, Southern Nassau, Southern Queens, Southern Westchester and Southwest Suffolk. * WHEN...Until 2 AM EDT Wednesday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A slow moving frontal boundary will interact with a tropical air mass to bring showers and thunderstorms this afternoon and evening. Locally heavy rainfall is possible and rainfall rates may be near, or exceed, 2" per hour at times. This rainfall could lead to flash flooding. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Wednesday, July 9, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 77°F
Average Humidity: 89%
Chance of Rain: 87%
Wind: 6.5 mph
UV Index: 2.6

Air Quality

AQI: 2 - Moderate
PM2.5: 16.31 μg/m3
PM10: 16.66 μg/m3
Carbon Monoxide: 421.13 μg/m3
Nitrogen Dioxide: 15.95 μg/m3
Sulphur Dioxide: 3.09 μg/m3
Ozone: 106.8 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:55 AM
Sunset: 8:26 PM
Daylight: 15 hrs 1 mins
Moonrise: 8:07 PM
Moon Transit: 12:00 AM
Moonset: 3:41 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:50 PM - 4:20 PM

Minor Periods

7:37 PM - 9:07 PM
3:11 AM - 4:41 AM

Action Rating: 3 out of 5

Thursday, July 10, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 72.1°F
Average Humidity: 96%
Chance of Rain: 81%
Wind: 6.9 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 29.98 μg/m3
PM10: 31.22 μg/m3
Carbon Monoxide: 423.95 μg/m3
Nitrogen Dioxide: 14.95 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 137.36 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:55 AM
Sunset: 8:26 PM
Daylight: 15 hrs mins
Moonrise: 8:51 PM
Moon Transit: 12:22 AM
Moonset: 4:42 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:44 PM - 5:14 PM

Minor Periods

8:21 PM - 9:51 PM
4:12 AM - 5:42 AM

Action Rating: 5 out of 5

Friday, July 11, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 70.8°F
Average Humidity: 90%
Chance of Rain: 0%
Wind: 5.1 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 9.52 μg/m3
PM10: 10.61 μg/m3
Carbon Monoxide: 298.89 μg/m3
Nitrogen Dioxide: 11.11 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 104.48 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:55 AM
Sunset: 8:25 PM
Daylight: 14 hrs 59 mins
Moonrise: 9:28 PM
Moon Transit: 1:17 AM
Moonset: 5:48 AM
Moon Phase: Full
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
3:38 PM - 6:08 PM

Minor Periods

8:58 PM - 10:28 PM
5:18 AM - 6:48 AM

Action Rating: 4 out of 5

Saturday, July 12, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 73.1°F
Average Humidity: 84%
Chance of Rain: 87%
Wind: 6.3 mph
UV Index: 1.8

Air Quality

AQI: 2 - Moderate
PM2.5: 29.33 μg/m3
PM10: 29.76 μg/m3
Carbon Monoxide: 609.22 μg/m3
Nitrogen Dioxide: 29.39 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 92.15 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 12:55 AM
Sunset: 8:24 PM
Daylight: 14 hrs 57 mins
Moonrise: 9:58 PM
Moon Transit: 2:09 AM
Moonset: 6:59 AM
Moon Phase: Full
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

1:39 AM - 4:09 AM
4:30 PM - 7:00 PM

Minor Periods

9:28 PM - 10:58 PM
6:29 AM - 7:59 AM

Action Rating: 3 out of 5

Sunday, July 13, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 73.2°F
Average Humidity: 86%
Chance of Rain: 85%
Wind: 8.9 mph
UV Index: 0.1

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: 5:28 AM
Sun Transit: 12:56 AM
Sunset: 8:24 PM
Daylight: 14 hrs 56 mins
Moonrise: 10:24 PM
Moon Transit: 3:00 AM
Moonset: 8:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
5:18 PM - 7:48 PM

Minor Periods

9:54 PM - 11:24 PM
7:41 AM - 9:11 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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