Water Temperature of the Connecticut River in Suffield, CT

Current Water Temperature

65.7°F

Measurement Time: Wednesday, October 8, 2025, 10:00 PM EDT

Temperature Locations

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Local Points of Interest

Windsor Locks Canal State Park; Enfield-Suffield Veterans Bridge; Thompsonville, CT; Enfield, CT

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Connecticut River

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

Elevation Above Sea Level: 30 feet / 9 meters

Nearest Address:
1298 Canal Rd
Suffield, CT 06078
Hartford County

GPS Coordinates: 41.9873186, -72.6053669

Nearby Water Temperatures

North Branch Park River, Hartford, CT (15.0 mi)
West Branch Farmington River, Riverton, CT (21.2 mi)
Natchaug River, Chaplin, CT (28.3 mi)
Connecticut River, Middletown, CT (30.9 mi)
French River, North Grosvenordale, CT (36.2 mi)
Yantic River, Norwich, CT (38.7 mi)
Quinnipiac River, Wallingford, CT (39.0 mi)
Ware River, Barre, MA (39.3 mi)
Eightmile River, East Haddam, CT (40.2 mi)
East Branch Eightmile River, Lyme, CT (41.1 mi)
Naugatuck River, Beacon Falls, CT (44.4 mi)
Windsor Brook, Foster, RI (46.6 mi)
Ponaganset River, South Foster, RI (47.7 mi)
Quinapoxet River, Holden, MA (47.9 mi)
Dolly Cole Brook, Foster, RI (47.9 mi)

Weather for Suffield, Connecticut

Current Weather

48.9°F
Clear
Conditions: Clear
Humidity: 77%
Feels Like: 46.5°F
Wind: NNW 5.8 mph
Wind Gusts: 10.6 mph
Pressure: 30.25 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Thu
H: 60°F
L: 43°F
Sunny
Fri
H: 58°F
L: 36°F
Cloudy
Sat
H: 61°F
L: 48°F
Moderate rain
Sun
H: 60°F
L: 49°F
Moderate rain
Mon
H: 53°F
L: 49°F

Air Quality

PM2.5: 2.25 μg/m3
PM10: 2.25 μg/m3
Carbon Monoxide: 151.85 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:37 AM
Sunset: 6:18 PM
Daylight: 11 hrs 22 mins
Moonrise: 7:33 PM
Moon Transit: 2:25 AM
Moonset: 10:10 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

7:03 PM - 8:33 PM
9:40 AM - 11:10 AM

Action Rating: 2 out of 5

Freeze Watch issued October 8 at 12:10PM EDT until October 10 at 9:00AM EDT by NWS Boston/Norton MA

Effective: Wed October 8, 2025, 12:10 PM
Expires: Thu October 9, 2025, 6:00 AM

* WHAT...Sub-freezing temperatures as low as 29 possible. * WHERE...Portions of northern Connecticut and central, eastern, southeastern, and western Massachusetts. * WHEN...From Thursday evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...The lowest temperatures are expected away from the immediate coastline.

Take steps now to protect tender plants from the cold.


Freeze Warning issued October 9 at 2:28AM EDT until October 10 at 9:00AM EDT by NWS Boston/Norton MA

Effective: Thu October 9, 2025, 2:28 AM
Expires: Thu October 9, 2025, 4:30 PM

* WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Portions of northern Connecticut, central, eastern, southeastern, and western Massachusetts, and interior Rhode Island. * WHEN...From 11 PM this evening to 9 AM EDT Friday. * 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.


Freeze Watch issued October 8 at 1:45PM EDT until October 10 at 9:00AM EDT by NWS Upton NY

Effective: Wed October 8, 2025, 1:45 PM
Expires: Thu October 9, 2025, 4:00 AM

* WHAT...Sub-freezing temperatures as low as 29 possible. * WHERE...In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. In New Jersey, Western Passaic County. In New York, Northern Westchester, Orange, Putnam, and Rockland Counties. * WHEN...From late Thursday night through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation.

Take steps now to protect tender plants from the cold.


Freeze Warning issued October 9 at 1:55AM EDT until October 10 at 9:00AM EDT by NWS Upton NY

Effective: Thu October 9, 2025, 1:55 AM
Expires: Thu October 9, 2025, 4:00 PM

* WHAT...Sub-freezing temperatures around 30 degrees expected. * WHERE...In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, and Northern New London Counties. In New Jersey, Western Passaic County. In New York, Northern Westchester, Orange, Putnam, and Rockland Counties. * WHEN...From midnight tonight to 9 AM EDT Friday. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation.

Take steps now to protect tender plants from the cold.


Freeze Watch issued October 8 at 1:44PM EDT until October 10 at 9:00AM EDT by NWS Albany NY

Effective: Wed October 8, 2025, 1:44 PM
Expires: Thu October 9, 2025, 7:00 AM

* WHAT...Sub-freezing temperatures as low as 25 possible. * WHERE...Litchfield County in Connecticut, Berkshire County in Massachusetts, eastern Windham County in southern Vermont, and the Mid Hudson Valley, Capital District, and Saratoga Lake George Region in New York. * 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.


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

Effective: Thu October 9, 2025, 1:00 AM
Expires: Thu October 9, 2025, 5:15 PM

* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Litchfield County in Connecticut, Berkshire County in Massachusetts, eastern Windham County in southern Vermont, and the Mid Hudson Valley, Capital District, and Saratoga Lake George Region in New York. * WHEN...From 11 PM this evening to 9 AM EDT Friday. * 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.
Thursday, October 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 50.6°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 2.71 μg/m3
PM10: 2.76 μg/m3
Carbon Monoxide: 150.01 μg/m3
Nitrogen Dioxide: 4.35 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 64.04 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:37 AM
Sunset: 6:18 PM
Daylight: 11 hrs 22 mins
Moonrise: 7:33 PM
Moon Transit: 2:25 AM
Moonset: 10:10 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

7:03 PM - 8:33 PM
9:40 AM - 11:10 AM

Action Rating: 2 out of 5

Friday, October 10, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 47.2°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 6.7 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 5.38 μg/m3
PM10: 5.45 μg/m3
Carbon Monoxide: 204.65 μg/m3
Nitrogen Dioxide: 11.12 μg/m3
Sulphur Dioxide: 2.71 μg/m3
Ozone: 60 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 12:37 AM
Sunset: 6:17 PM
Daylight: 11 hrs 19 mins
Moonrise: 8:19 PM
Moon Transit: 3:26 AM
Moonset: 11:31 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
5:52 PM - 8:22 PM

Minor Periods

7:49 PM - 9:19 PM
11:01 AM - 12:31 AM

Action Rating: 3 out of 5

Saturday, October 11, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 53.9°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 4.5 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 10.56 μg/m3
PM10: 12.81 μg/m3
Carbon Monoxide: 262.09 μg/m3
Nitrogen Dioxide: 16.49 μg/m3
Sulphur Dioxide: 3.64 μg/m3
Ozone: 61.92 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:37 AM
Sunset: 6:15 PM
Daylight: 11 hrs 16 mins
Moonrise: 9:16 PM
Moon Transit: 4:29 AM
Moonset: 12:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

3:59 AM - 6:29 AM
6:56 PM - 9:26 PM

Minor Periods

8:46 PM - 10:16 PM
12:16 AM - 1:46 PM

Action Rating: 3 out of 5

Sunday, October 12, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 54.2°F
Average Humidity: 82%
Chance of Rain: 66%
Wind: 13.2 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 15.5 μg/m3
PM10: 17.57 μg/m3
Carbon Monoxide: 344.7 μg/m3
Nitrogen Dioxide: 32.43 μg/m3
Sulphur Dioxide: 3.95 μg/m3
Ozone: 43.46 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:36 AM
Sunset: 6:13 PM
Daylight: 11 hrs 13 mins
Moonrise: 10:23 PM
Moon Transit: 5:33 AM
Moonset: 1:48 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

9:53 PM - 11:23 PM
1:18 PM - 2:48 PM

Action Rating: 2 out of 5

Monday, October 13, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 51.3°F
Average Humidity: 92%
Chance of Rain: 87%
Wind: 17.7 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: 7:01 AM
Sun Transit: 12:36 AM
Sunset: 6:12 PM
Daylight: 11 hrs 11 mins
Moonrise: 11:35 PM
Moon Transit: 6:34 AM
Moonset: 2:38 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
8:58 PM - 11:28 PM

Minor Periods

12:00 AM - 12:00 AM
2:08 PM - 3:38 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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