Water Temperature of the Connecticut River in Middletown, CT

Current Water Temperature

68.4°F

Measurement Time: Wednesday, October 8, 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

70.3°F
Overcast
Conditions: Overcast
Humidity: 100%
Feels Like: 70.3°F
Wind: SW 10.7 mph
Wind Gusts: 17.5 mph
Pressure: 29.91 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Wed
H: 67°F
L: 54°F
Sunny
Thu
H: 56°F
L: 40°F
Sunny
Fri
H: 62°F
L: 38°F
Patchy rain nearby
Sat
H: 66°F
L: 50°F
Moderate rain
Sun
H: 59°F
L: 52°F

Air Quality

PM2.5: 2.65 μg/m3
PM10: 2.65 μg/m3
Carbon Monoxide: 160.85 μg/m3
Nitrogen Dioxide: 10.25 μg/m3
Sulphur Dioxide: 3.45 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:37 AM
Sunset: 6:20 PM
Daylight: 11 hrs 25 mins
Moonrise: 6:57 PM
Moon Transit: 1:28 AM
Moonset: 8:46 AM
Moon Phase: Full
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 AM
3:51 PM - 6:21 PM

Minor Periods

6:27 PM - 7:57 PM
8:16 AM - 9:46 AM

Action Rating: 5 out of 5

Freeze Watch issued October 8 at 1:28AM EDT until October 10 at 9:00AM EDT by NWS Albany NY

Effective: Wed October 8, 2025, 1:28 AM
Expires: Wed October 8, 2025, 5:15 PM

* WHAT...Sub-freezing temperatures as low as 26 possible. * WHERE...All of eastern New York excluding the southwest Adirondacks, all of southern Vermont, western Massachusetts and northwest Connecticut. * WHEN...From Thursday evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.
Wednesday, October 8, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 62.8°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 3.69 μg/m3
PM10: 4.21 μg/m3
Carbon Monoxide: 143.53 μg/m3
Nitrogen Dioxide: 6.74 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 71.12 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 12:37 AM
Sunset: 6:20 PM
Daylight: 11 hrs 25 mins
Moonrise: 6:57 PM
Moon Transit: 1:28 AM
Moonset: 8:46 AM
Moon Phase: Full
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 AM
3:51 PM - 6:21 PM

Minor Periods

6:27 PM - 7:57 PM
8:16 AM - 9:46 AM

Action Rating: 5 out of 5

Thursday, October 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 49.8°F
Average Humidity: 51%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 3.27 μg/m3
PM10: 3.29 μg/m3
Carbon Monoxide: 154.77 μg/m3
Nitrogen Dioxide: 6.45 μg/m3
Sulphur Dioxide: 2.23 μg/m3
Ozone: 65.68 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 12:37 AM
Sunset: 6:18 PM
Daylight: 11 hrs 22 mins
Moonrise: 7:34 PM
Moon Transit: 2:25 AM
Moonset: 10:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

1:55 AM - 4:25 AM
4:50 PM - 7:20 PM

Minor Periods

7:04 PM - 8:34 PM
9:38 AM - 11:08 AM

Action Rating: 2 out of 5

Friday, October 10, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 48.6°F
Average Humidity: 53%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 4.69 μg/m3
Carbon Monoxide: 175.45 μg/m3
Nitrogen Dioxide: 10.41 μg/m3
Sulphur Dioxide: 2.5 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:37 AM
Sunset: 6:17 PM
Daylight: 11 hrs 20 mins
Moonrise: 8:21 PM
Moon Transit: 3:25 AM
Moonset: 11:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

2:55 AM - 5:25 AM
5:53 PM - 8:23 PM

Minor Periods

7:51 PM - 9:21 PM
10:59 AM - 12:29 AM

Action Rating: 3 out of 5

Saturday, October 11, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 56.6°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 11.24 μg/m3
Carbon Monoxide: 233.31 μg/m3
Nitrogen Dioxide: 18.4 μg/m3
Sulphur Dioxide: 2.62 μg/m3
Ozone: 50.69 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 12:36 AM
Sunset: 6:15 PM
Daylight: 11 hrs 17 mins
Moonrise: 9:18 PM
Moon Transit: 4:29 AM
Moonset: 12:44 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

3:59 AM - 6:29 AM
6:57 PM - 9:27 PM

Minor Periods

8:48 PM - 10:18 PM
12:14 AM - 1:44 PM

Action Rating: 3 out of 5

Sunday, October 12, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 54.2°F
Average Humidity: 86%
Chance of Rain: 76%
Wind: 22.6 mph
UV Index: 0

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: 6:59 AM
Sun Transit: 12:36 AM
Sunset: 6:13 PM
Daylight: 11 hrs 14 mins
Moonrise: 10:25 PM
Moon Transit: 5:33 AM
Moonset: 1:46 PM
Moon Phase: Waning Gibbous
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
7:59 PM - 10:29 PM

Minor Periods

9:55 PM - 11:25 PM
1:16 PM - 2:46 PM

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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