21.12
sun
sun
Day
46°F
E 18 mph
Precip.
0%
0%
Night
30°F
SE 17 mph
Precip.
0%
0%
22.12
mon
mon
Day
36°F
SE 16 mph
Precip.
0%
0%
Night
34°F
E 8 mph
Precip.
0%
0%
23.12
tue
tue
Day
39°F
NE 14 mph
Precip.
100%
100%
Night
36°F
SE 11 mph
Precip.
71%
71%
24.12
wed
wed
Day
36°F
S 9 mph
Precip.
0%
0%
Night
34°F
NE 7 mph
Precip.
0%
0%
25.12
thu
thu
Day
39°F
NE 15 mph
Precip.
100%
100%
Night
36°F
E 6 mph
Precip.
0%
0%
26.12
fri
fri
Day
46°F
NE 16 mph
Precip.
100%
100%
Night
41°F
SE 18 mph
Precip.
0%
0%
27.12
sat
sat
Day
32°F
S 8 mph
Precip.
21%
21%
Night
32°F
NW 3 mph
Precip.
0%
0%
sea water
temperature
temperature
| Westerly |
monthly
weather
weather
| Westerly |
current
weather
weather
| Westerly |
14 days
forecast
forecast
| Westerly |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 48.0°F. The highest and lowest sea temperatures during the month were 50.7°F and 45.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 42.0°F. The highest and lowest sea temperatures during the month were 45.7°F and 38.8°F.
Air temperature in Westerly, °F
Precipitation total in Westerly, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Westerly
Westerly on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Westerly
Local time: 12:53
December 21, sunday
1500
43°F
E
16 mph
16 mph
1800
37°F
SE
19 mph
19 mph
2100
32°F
SE
16 mph
16 mph
December 22, monday
0000
30°F
SE
17 mph
17 mph
0300
28°F
SE
20 mph
20 mph
0600
27°F
SE
19 mph
19 mph
0900
30°F
SE
16 mph
16 mph
1200
36°F
SE
16 mph
16 mph
