The highest day temperature in August 2025 was 94°F. The lowest night temperature was 53°F. The average values for day and night temperatures during August were 81.3°F и 63.9°F respectivly.

The average sea surface temperature in August 2025 for New Bedford was 75.1°F. The maximum and minimum values were 72.4°F and 79.6°F respectively.

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

Precipitation total in August for New Bedford is 1.0 in. This value is relatively stable throughout the year.

The average wind speed in August is 7.7 mph. It makes August the most windless month of the year for New Bedford.

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 New Bedford in August is 8.0 hours.