World Resorts USA Westerly Weather

Westerly 14 Days Forecast

19.09
sat
Day
63°F
SW 9 mph
Precip.
8%
Night
59°F
NW 11 mph
Precip.
16%
20.09
sun
Day
63°F
NW 9 mph
Precip.
17%
Night
64°F
NW 13 mph
Precip.
83%
21.09
mon
Day
59°F
SW 22 mph
Precip.
37%
Night
61°F
SW 19 mph
Precip.
20%
22.09
tue
Day
57°F
SW 25 mph
Precip.
26%
Night
55°F
W 22 mph
Precip.
71%
23.09
wed
Day
63°F
W 29 mph
Precip.
22%
Night
61°F
SW 25 mph
Precip.
20%
24.09
thu
Day
59°F
SW 27 mph
Precip.
73%
Night
57°F
SW 24 mph
Precip.
41%
25.09
fri
Day
59°F
SW 17 mph
Precip.
13%
Night
59°F
SW 9 mph
Precip.
14%
26.09
sat
Day
64°F
SW 16 mph
Precip.
3%
Night
57°F
SW 15 mph
Precip.
11%
27.09
sun
Day
64°F
W 19 mph
Precip.
14%
Night
57°F
SW 17 mph
Precip.
24%
28.09
mon
Day
64°F
SW 20 mph
Precip.
15%
Night
59°F
SW 16 mph
Precip.
25%
29.09
tue
Day
61°F
S 15 mph
Precip.
13%
Night
59°F
SW 13 mph
Precip.
9%
30.09
wed
Day
66°F
SW 14 mph
Precip.
8%
Night
59°F
SW 16 mph
Precip.
24%
01.10
thu
Day
59°F
SW 22 mph
Precip.
22%
Night
59°F
SW 18 mph
Precip.
24%
02.10
fri
Day
63°F
SW 16 mph
Precip.
15%
Night
57°F
SW 12 mph
Precip.
22%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 69.2°F. The highest and lowest sea temperatures during the month were 70.3°F and 68.5°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 64.8°F. The highest and lowest sea temperatures during the month were 68.7°F and 60.3°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
December 14 days
October 14 days
Warmest months:
July 79.7 °F
August 78.2 °F
June 73.3 °F
Warmest sea temp:
August 70.0 °F
July 68.4 °F
September 68.3 °F
Coldest months:
January 36.2 °F
February 37.3 °F
December 41.1 °F
Rainiest months:
October 4 days
November 3 days
July 3 days
Windiest months:
March 11.0 mph
January 10.5 mph
April 10.4 mph

Westerly on a weather map

Current weather
06:09
Westerly
+57°F
SW 13 mph
Feels like: +54°F
Precip.: 16%
Places in USA:
Name
°F
Boston
+55°F
Washington
+64°F
Hawaii
+79°F
Las Vegas
+77°F
Los Angeles
+70°F
Miami
+81°F
Maui
+63°F
New York
+63°F
Panama City Beach
+77°F
San Diego
+68°F
San Francisco
+59°F
Santa Monica
+68°F
Sarasota
+73°F
Houston
+79°F
Chicago
+63°F
all places
24 Hours Forecast
Westerly
Local time: 06:09
September 19, saturday
0900
59°F
SW
14 mph
1200
63°F
SW
9 mph
1500
63°F
NW
10 mph
1800
61°F
W
9 mph
2100
61°F
W
11 mph
September 20, sunday
0000
59°F
NW
11 mph
0300
59°F
NW
9 mph
0600
61°F
NW
9 mph
Units of measurement: °C / °F