Water Temperature of the Connecticut River in Suffield, CT
Current Water Temperature
Measurement Time: Monday, May 18, 2026, 7:00 PM EDT
Temperature Locations
View Nearby Locations View All Connecticut Locations View Locations Near Me
Local Points of Interest
Windsor Locks Canal State Park; Enfield-Suffield Veterans Bridge; Thompsonville, CT; Enfield, CTStation Name: CONNECTICUT RIVER AT THOMPSONVILLE, CT
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 30 feet
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 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 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

Five Day Weather Forecast

Tue
H: 99°F
L: 68°F

Wed
H: 90°F
L: 56°F

Thu
H: 65°F
L: 48°F

Fri
H: 69°F
L: 41°F

Sat
H: 68°F
L: 49°F
Air Quality
Nitrogen Dioxide: 11.35 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 70 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:08 PM
Daylight: 14 hrs 42 mins
Moon Transit: 3:50 PM
Moonset: 11:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%
Best Times for Fishing or Hunting
Major Periods
5:13 AM - 7:43 AM3:20 PM - 5:50 PM
Minor Periods
12:00 AM - 12:00 AM7:08 AM - 8:38 AM
Action Rating: 3 out of 5
Heat Advisory issued May 18 at 12:57PM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA
Effective: Mon May 18, 2026, 12:57 PM
Expires: Tue May 19, 2026, 7:00 AM
* WHAT...Heat index values up to 96 expected. * 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...From 11 AM Tuesday to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures, a moderate degree of humidity with little relief Tuesday night may cause heat illnesses. * ADDITIONAL DETAILS...This is the first multi-day period of hot temperatures. Those not yet accustomed to hot temperatures with a moderate degree of humidity should take appropriate heat-related precautions.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives, neighbors and pets. 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.
Air Quality Alert issued May 18 at 12:19PM EDT by NWS Boston/Norton MA
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Mon May 18, 2026, 12:19 PM
Expires: Mon May 18, 2026, 11:00 PM
The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, until 11 PM EDT this evening. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/dep/massair/forecast
Air Quality Alert issued May 18 at 11:18AM EDT by NWS Boston/Norton MA
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Mon May 18, 2026, 11:18 AM
Expires: Mon May 18, 2026, 11:00 PM
The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, until 11 PM EDT this evening. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/dep/massair/forecast
Air Quality Alert issued May 18 at 9:43AM EDT by NWS Boston/Norton MA
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Mon May 18, 2026, 9:43 AM
Expires: Tue May 19, 2026, 12:00 AM
The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, until 11 PM EDT this evening. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/dep/massair/forecast
Air Quality Alert issued May 18 at 12:19PM EDT by NWS Boston/Norton MA
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Mon May 18, 2026, 12:19 PM
Expires: Mon May 18, 2026, 11:00 PM
The Connecticut Department of Environmental Protection has issued an Air Quality Action Day for Ground Level Ozone, until 11 PM EDT this evening. An Air Quality Action day means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection website at: https://portal.ct.gov/deep
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.57 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 109.4 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 8:08 PM
Daylight: 14 hrs 42 mins
Moon Transit: 3:50 PM
Moonset: 11:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%
Best Times for Fishing or Hunting
Major Periods
5:13 AM - 7:43 AM3:20 PM - 5:50 PM
Minor Periods
12:00 AM - 12:00 AM7:08 AM - 8:38 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.38 μg/m3
Sulphur Dioxide: 1.87 μg/m3
Ozone: 88.68 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:09 PM
Daylight: 14 hrs 44 mins
Moon Transit: 4:52 PM
Moonset: 12:55 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
6:17 AM - 8:47 AM4:22 PM - 6:52 PM
Minor Periods
8:25 AM - 9:55 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 73.56 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:10 PM
Daylight: 14 hrs 46 mins
Moon Transit: 5:48 PM
Moonset: 12:38 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
7:16 AM - 9:46 AM5:18 PM - 7:48 PM
Minor Periods
9:43 AM - 11:13 AM12:08 AM - 1:38 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.17 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 59.92 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:11 PM
Daylight: 14 hrs 48 mins
Moon Transit: 6:39 PM
Moonset: 1:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
8:09 AM - 10:39 AM6:09 PM - 8:39 PM
Minor Periods
10:58 AM - 12:28 AM12:41 AM - 2:11 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 8:12 PM
Daylight: 14 hrs 50 mins
Moon Transit: 7:26 PM
Moonset: 1:37 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
8:57 AM - 11:27 AM6:56 PM - 9:26 PM
Minor Periods
12:10 AM - 1:40 PM1:07 AM - 2:37 AM
Action Rating: 2 out of 5
