Current sea water temperature:
+41.9°F
| Minimum sea water temperature in January: | 47.5°F |
| Maximum sea water temperature in January: | 38.8°F |
| Average sea water temperature in January: | 43.6°F |
| more information | |
14 days
forecast
forecast
| Westerly |
monthly
weather
weather
| Westerly |
Sea water temperature for the last 10 days:
| January 2 | 41.9°F | December 28 | 43.3°F |
| January 1 | 42.3°F | December 27 | 43.5°F |
| December 31 | 42.8°F | December 26 | 43.3°F |
| December 30 | 43.3°F | December 25 | 43.7°F |
| December 29 | 43.2°F | December 24 | 44.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Westerly?
Based on the data about daily sea water temperature for the last three years the warmest sea in Westerly was noticed in August, July and September.
Monthly Sea Temperatures in Westerly, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 69.3°F. The highest and lowest sea temperatures during the month were 71.6°F and 67.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.3°F. The highest and lowest sea temperatures during the month were 71.2°F and 64.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 69.8°F and 66.7°F.
current
weather
weather
| Westerly |
weather in
January
January
| Westerly |
Best time for vacation in Westerly
Westerly on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Westerly
Local time: 04:27
January 02, friday
0600

18°F
E
14 mph
14 mph
0900

25°F
E
14 mph
14 mph
1200

28°F
E
16 mph
16 mph
1500

32°F
E
16 mph
16 mph
1800

30°F
E
13 mph
13 mph
2100

28°F
E
14 mph
14 mph
January 03, saturday
0000

27°F
E
12 mph
12 mph
0300

25°F
SE
12 mph
12 mph



























