Measurements:
°C
°F
CURRENT WEATHER
11:07
Westerly
66°F
W 8 mph
Feels like: 66°F
Precip: 3%
World Resorts USA Westerly Weather

14 Day Weather Forecast

09.15
tue
DAY
66°F
W 8 mph
precip
3%
NIGHT
64°F
NW 8 mph
precip
7%
09.16
wed
DAY
70°F
NE 10 mph
precip
5%
NIGHT
68°F
E 9 mph
precip
12%
09.17
thu
DAY
74°F
N 11 mph
precip
11%
NIGHT
72°F
NE 12 mph
precip
16%
09.18
fri
DAY
74°F
SE 9 mph
precip
18%
NIGHT
60°F
SW 14 mph
precip
13%
09.19
sat
DAY
62°F
W 11 mph
precip
8%
NIGHT
64°F
NW 13 mph
precip
15%
09.20
sun
DAY
68°F
N 22 mph
precip
87%
NIGHT
58°F
S 16 mph
precip
28%
09.21
mon
DAY
66°F
W 12 mph
precip
10%
NIGHT
62°F
W 12 mph
precip
18%
09.22
tue
DAY
64°F
W 16 mph
precip
12%
NIGHT
60°F
W 16 mph
precip
48%
09.23
wed
DAY
70°F
NW 13 mph
precip
60%
NIGHT
70°F
NE 9 mph
precip
31%
09.24
thu
DAY
70°F
NE 4 mph
precip
81%
NIGHT
68°F
E 14 mph
precip
53%
09.25
fri
DAY
64°F
E 24 mph
precip
9%
NIGHT
56°F
SE 23 mph
precip
7%
09.26
sat
DAY
62°F
SE 12 mph
precip
1%
NIGHT
58°F
SE 7 mph
precip
4%
09.27
sun
DAY
66°F
E 7 mph
precip
2%
NIGHT
66°F
E 9 mph
precip
9%
09.28
mon
DAY
70°F
NE 9 mph
precip
7%
NIGHT
68°F
NE 12 mph
precip
8%

Westerly Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Westerly was 71.4°F. The maximum and minimum values were 70.6°F and 72.6°F respectively.

Westerly on the Weather Map

Best Time to Visit Westerly
The most sunny months:
November 17 days
December 14 days
October 14 days
The most warm months:
July 83.1 °F
August 81.3 °F
June 75.9 °F
Warmest sea temperature:
August 72.3 °F
July 70.5 °F
September 70.4 °F
The most cold months:
January 34.7 °F
February 35.9 °F
December 40.1 °F
The most rainy months:
October 4 days
November 3 days
July 3 days
The most windy months:
March 11 mph
January 10 mph
April 10 mph
more details
USA Resorts:
NAME
F°
Boston +64
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +74
Maui +66
Miami +92
Myrtle Beach +88
New York +72
Panama City Beach +90
San Diego +72
San Francisco +60
Santa Monica +72
Sarasota +94
Washington +76
all resorts
24 Hours Weather Forecast
Westerly
Local time: 11:07
15 sep, tuesday
1200 66°F
W
8 mph
1500 66°F
N
6 mph
1800 66°F
NW
4 mph
2100 64°F
NW
7 mph
16 sep, wednesday
0000 64°F
NW
8 mph
0300 64°F
NE
5 mph
0600 64°F
E
5 mph
0900 68°F
NE
6 mph