World Resorts USA Westerly Weather

Westerly weather in August

Weather in Westerly: August

Average day temperature: 77.9°F
Average night temperature: 66.7°F
Sea water temperature: 70.1°F
Number of sunny days: 11 days
Day length: 13.1 - 14.4 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 84°F. At the same time the lowest night temperature was 58°F. Daily and nightly averages during August were 75.1°F and 64.8°F.

Sea water temperature in Westerly 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.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Westerly in August is 1.0 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 7.3 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.0.

Best time for vacation in Westerly

Sunniest months:
November 17 days
October 14 days
December 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 36.9 °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
December 10.3 mph

Westerly on a weather map

Westerly
+21°F
SE 11 mph
Feels like: +12°F
Precip.: 0%
Places in USA:
Name
°F
+27°F
+72°F
+72°F
+54°F
+57°F
+66°F
+73°F
+66°F
+25°F
+59°F
+50°F
+61°F
+57°F
+54°F
+32°F
24 Hours Forecast
Westerly
Local time: 01:16
January 05, monday
0300
19°F
SE
13 mph
0600
18°F
SE
11 mph
0900
23°F
SE
7 mph
1200
28°F
SE
4 mph
1500
30°F
NE
7 mph
1800
34°F
NE
7 mph
2100
36°F
NE
6 mph
January 06, tuesday
0000
37°F
N
1 mph
Units of measurement: °C / °F