World Resorts USA Westerly Weather

Westerly 14 Days Forecast

21.12
sun
Day
46°F
E 18 mph
Precip.
0%
Night
30°F
SE 17 mph
Precip.
0%
22.12
mon
Day
36°F
SE 16 mph
Precip.
0%
Night
34°F
E 8 mph
Precip.
0%
23.12
tue
Day
39°F
NE 14 mph
Precip.
100%
Night
36°F
SE 11 mph
Precip.
71%
24.12
wed
Day
36°F
S 9 mph
Precip.
0%
Night
34°F
NE 7 mph
Precip.
0%
25.12
thu
Day
39°F
NE 15 mph
Precip.
100%
Night
36°F
E 6 mph
Precip.
0%
26.12
fri
Day
46°F
NE 16 mph
Precip.
100%
Night
41°F
SE 18 mph
Precip.
0%
27.12
sat
Day
32°F
S 8 mph
Precip.
21%
Night
32°F
NW 3 mph
Precip.
0%
28.12
sun
Day
43°F
NE 23 mph
Precip.
100%
Night
28°F
SE 21 mph
Precip.
0%
29.12
mon
Day
23°F
SE 19 mph
Precip.
0%
Night
18°F
SE 12 mph
Precip.
0%
30.12
tue
Day
23°F
SE 15 mph
Precip.
0%
Night
25°F
E 6 mph
Precip.
0%
31.12
wed
Day
32°F
NW 9 mph
Precip.
100%
Night
36°F
S 12 mph
Precip.
100%
01.01
thu
Day
34°F
S 15 mph
Precip.
100%
Night
32°F
S 14 mph
Precip.
0%
02.01
fri
Day
32°F
SW 11 mph
Precip.
0%
Night
28°F
NW 5 mph
Precip.
0%
03.01
sat
Day
34°F
SE 3 mph
Precip.
0%
Night
34°F
SW 4 mph
Precip.
0%

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

Sunniest months:
November 17 days
October 14 days
September 13 days
Warmest months:
July 79.4 °F
August 77.9 °F
June 72.5 °F
Warmest sea temp:
August 70.0 °F
July 68.6 °F
September 68.3 °F
Coldest months:
January 36.9 °F
February 38.0 °F
December 41.8 °F
Rainiest months:
October 4 days
July 3 days
November 3 days
Windiest months:
March 10.9 mph
April 10.5 mph
January 10.2 mph

Westerly on a weather map

Westerly
+43°F
E 16 mph
Feels like: +34°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+77°F
+77°F
+64°F
+61°F
+77°F
+75°F
+73°F
+43°F
+64°F
+61°F
+75°F
+81°F
+81°F
+37°F
24 Hours Forecast
Westerly
Local time: 16:05
December 21, sunday
1800
37°F
SE
19 mph
2100
32°F
SE
16 mph
December 22, monday
0000
30°F
SE
17 mph
0300
28°F
SE
20 mph
0600
27°F
SE
19 mph
0900
30°F
SE
16 mph
1200
36°F
SE
16 mph
1500
37°F
E
14 mph
Units of measurement: °C / °F