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Average water temperature in Boston

The mean water temperature over the year in Boston (Massachusetts), the United States of America.


  • The months July, August and September have a pleasant water temperature.
  • On average, August has the warmest water temperature with 20°C.
  • On average, March has the coldest water temperature with 4°C.

Weather Forecasts for Boston (MA)

Thu   Apr 25
10°C | 0°C
N 18 km/h
clear and no rain

clear and no rain

Fri   Apr 26
10°C | 4°C
E 22 km/h
clear and no rain

clear and no rain

Sat   Apr 27
14°C | 5°C
SE 22 km/h
partly cloudy and no rain

partly cloudy and no rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Boston.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.

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