World Resorts USA Westerly Weather

Westerly sea water temperature

Current sea water temperature:
+35.4°F
Minimum sea water temperature in February: 43.9°F
Maximum sea water temperature in February: 34.5°F
Average sea water temperature in February: 40.0°F

Sea water temperature for the last 10 days:

February 26 35.4°F February 21 35.2°F
February 25 35.4°F February 20 35.4°F
February 24 35.4°F February 19 34.9°F
February 23 35.4°F February 18 34.5°F
February 22 35.4°F February 17 35.1°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:
2025
2024
2023

The average sea water temperature in August of 2025 was 69.3°F. The highest and lowest sea temperatures during the month were 71.6°F and 67.8°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 68.3°F. The highest and lowest sea temperatures during the month were 71.2°F and 64.6°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 69.8°F and 66.7°F.

Best time for vacation in Westerly

Sunniest months:
November 17 days
December 14 days
October 14 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 36.2 °F
February 38.0 °F
December 41.1 °F
Rainiest months:
October 4 days
July 3 days
November 3 days
Windiest months:
March 10.9 mph
April 10.5 mph
January 10.5 mph

Westerly on a weather map

Westerly
+41°F
SE 4 mph
Feels like: +37°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+70°F
+70°F
+63°F
+61°F
+73°F
+75°F
+66°F
+43°F
+63°F
+55°F
+68°F
+68°F
+73°F
+34°F
24 Hours Forecast
Westerly
Local time: 13:27
February 26, thursday
1500
37°F
E
4 mph
1800
32°F
SE
2 mph
2100
30°F
S
5 mph
February 27, friday
0000
30°F
S
7 mph
0300
30°F
S
5 mph
0600
28°F
S
4 mph
0900
30°F
SE
2 mph
1200
37°F
NE
6 mph
Units of measurement: °C / °F