Water Temperature of the Pawcatuck River in Westerly, RI

Current Water Temperature

76.5°F 24.7°C
Comfortable Ideal for Swimming
76.5°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Pleasant and refreshing. Ideal for recreational swimming, triathlons, and active water recreation without thermal gear.

Measurement Time: Monday, August 24, 2020, 11:30 PM EDT

Temperature Locations

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Local Points of Interest

Pawcatuck, CT

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Pawcatuck River

Station Name: PAWCATUCK RIVER AT WESTERLY, RI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 16 feet

Nearest Address:
48 Canal St
Westerly, RI 02891
Washington County

GPS Coordinates: 41.38371065, -71.8331247

Nearby Water Temperatures

Mystic River, Old Mystic, CT (6.8 mi)
Mystic River, Mystic, CT (7.1 mi)
Mystic Harbor, Mystic, CT (7.5 mi)
Mystic River, Noank, CT (8.7 mi)
Thames River, Groton, CT (13.1 mi)
Thames River, New London, CT (13.6 mi)
Yantic River, Norwich, CT (19.2 mi)
Fort Pond Bay, Montauk, NY (24.1 mi)
Great Harbor, North Kingstown, RI (26 mi)
East Branch Eightmile River, Lyme, CT (26.2 mi)
Eightmile River, East Haddam, CT (26.2 mi)
Connecticut River, Old Lyme, CT (27 mi)
Narragansett Bay, Newport, RI (27.5 mi)
Wilbur Hollow Brook, Clayville, RI (28.2 mi)
Bear Tree Brook, Clayville, RI (28.7 mi)

Weather for Westerly, Rhode Island

Current Weather

53.9°F
Sunny
Conditions: Sunny
Humidity: 65%
Feels Like: 45.1°F
Wind: NW 16.8 mph
Wind Gusts: 26.7 mph
Pressure: 29.76 in
Precipitation: 0 in
Cloud Cover: 13%
Visibility: 6 mi
UV Index: 0.1

Weather Forecast

Sunny
Mon
H: 55°F
L: 49°F
Sunny
Tue
H: 57°F
L: 46°F
Sunny
Wed
H: 56°F
L: 48°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
0.9 μg/m³
Good
PM10
1.1 μg/m³
Good
Ozone (O3)
63 μg/m³
Photochemical
NO2
2.2 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
144 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 5m daylight
Sunrise 6:29 AM
Solar Noon 11:31 AM
Sunset 4:34 PM
Moon
New • 2%
Moonrise 7:01 AM
Transit 11:44 AM
Moonset 4:22 PM

Best Times for Fishing or Hunting

Major Periods

11:14 AM - 1:44 PM
11:39 PM - 2:09 AM

Minor Periods

6:31 AM - 8:01 AM
3:52 PM - 5:22 PM
Action Rating:
Very Good 4/5

Small Craft Advisory issued November 9 at 8:39AM EST until November 10 at 7:00AM EST by NWS Boston/Norton MA

Effective: Mon November 9, 2026, 8:39 AM
Expires: Mon November 9, 2026, 9:45 PM

* WHAT...West winds 10 to 20 kt with gusts up to 25 kt and seas around 3 feet. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...Until 7 AM EST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL INFORMATION...Expecting a brief lull in conditions this morning into early afternoon. Gusty winds and rough seas should redevelop by this evening.


Small Craft Advisory issued November 9 at 2:54PM EST until November 10 at 4:00PM EST by NWS Boston/Norton MA

Effective: Mon November 9, 2026, 2:54 PM
Expires: Tue November 10, 2026, 4:00 AM

* WHAT...West winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 4 feet. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...Until 4 PM EST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL INFORMATION...Expecting a brief lull in conditions this morning into early afternoon. Gusty winds and rough seas should redevelop by this evening.
Monday, November 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 51.9°F
Average Humidity: 69%
Chance of Rain: 37%
Wind: 20.6 mph
UV Index: 1.8

Astronomical

Sun
10h 5m daylight
Sunrise 6:29 AM
Solar Noon 11:31 AM
Sunset 4:34 PM
Moon
New • 2%
Moonrise 7:01 AM
Transit 11:44 AM
Moonset 4:22 PM

Best Times for Fishing or Hunting

Major Periods

11:14 AM - 1:44 PM
11:39 PM - 2:09 AM

Minor Periods

6:31 AM - 8:01 AM
3:52 PM - 5:22 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 51.8°F
Average Humidity: 70%
Chance of Rain: 7%
Wind: 21 mph
UV Index: 2.3

Astronomical

Sun
10h 2m daylight
Sunrise 6:30 AM
Solar Noon 11:31 AM
Sunset 4:33 PM
Moon
New • 0%
Moonrise 8:05 AM
Transit 12:34 PM
Moonset 4:59 PM

Best Times for Fishing or Hunting

Major Periods

12:04 PM - 2:34 PM
11:38 PM - 2:08 AM

Minor Periods

7:35 AM - 9:05 AM
4:29 PM - 5:59 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 51.6°F
Average Humidity: 67%
Chance of Rain: 8%
Wind: 17.4 mph
UV Index: 2.2

Astronomical

Sun
10h 0m daylight
Sunrise 6:31 AM
Solar Noon 11:31 AM
Sunset 4:32 PM
Moon
New • 2%
Moonrise 9:05 AM
Transit 1:25 PM
Moonset 5:44 PM

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
12:55 PM - 3:25 PM

Minor Periods

8:35 AM - 10:05 AM
5:14 PM - 6:44 PM
Action Rating:
Good Action 3/5
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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