Current sea water temperature:
+43.3°F
| Minimum sea water temperature in December: | 54.0°F |
| Maximum sea water temperature in December: | 43.3°F |
| Average sea water temperature in December: | 49.1°F |
| more information | |
14 days
forecast
forecast
| Westerly |
monthly
weather
weather
| Westerly |
Sea water temperature for the last 10 days:
| December 28 | 43.3°F | December 23 | 44.4°F |
| December 27 | 43.5°F | December 22 | 44.6°F |
| December 26 | 43.3°F | December 21 | 45.0°F |
| December 25 | 43.7°F | December 20 | 45.0°F |
| December 24 | 44.2°F | December 19 | 45.1°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: 17:35
December 28, sunday
1800
34°F
NE
11 mph
11 mph
2100
36°F
E
12 mph
12 mph
December 29, monday
0000
39°F
NE
11 mph
11 mph
0300
43°F
N
11 mph
11 mph
0600
45°F
NE
15 mph
15 mph
0900
45°F
NE
16 mph
16 mph
1200
46°F
NE
16 mph
16 mph
1500
46°F
NE
17 mph
17 mph
