The highest day temperature in August 2026 was 94°F. The lowest night temperature was 60°F. The average values for day and night temperatures during August were 82.8°F и 68.8°F respectivly.

The average sea surface temperature in August 2026 for Westerly was 72.5°F. The maximum and minimum values were 71.2°F and 75.0°F respectively.

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in August for Westerly is 1.1 in. This value is relatively stable throughout the year.

The average wind speed in August is 7.5 mph. It makes August one of the most windless months of the year for Westerly.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Westerly in August is 7.9 hours.