World Resorts USA Westerly Weather

Westerly sea water temperature

Current sea water temperature:
+69.8°F
Minimum sea water temperature in September: 72.3°F
Maximum sea water temperature in September: 63.7°F
Average sea water temperature in September: 68.4°F

Sea water temperature for the last 10 days:

September 19 69.8°F September 14 68.9°F
September 18 69.1°F September 13 68.7°F
September 17 68.5°F September 12 68.9°F
September 16 68.7°F September 11 69.6°F
September 15 68.7°F September 10 68.9°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 70.3°F. The highest and lowest sea temperatures during the month were 72.5°F and 69.1°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 67.3°F. The highest and lowest sea temperatures during the month were 69.4°F and 64.6°F.

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.

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

Westerly
+57°F
SW 13 mph
Feels like: +54°F
Precip.: 16%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+77°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+79°F
+63°F
24 Hours Forecast
Westerly
Local time: 06:58
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