Measurements:
°C
°F
Boston
88°F
NE 9 mph
Feels like: 90°F
Precip: 0%
World Resorts USA Boston Weather

Boston Sea Water Temperature

Current Sea Water Temperature:
+74.2°F
Maximum Sea Water Temperature in July: 75.8°F
Minimum Sea Water Temperature in July: 61.2°F
Average water temperature in July: 68.4°F

Sea Water Temperature for the Last 10 Days:

July 13 74.2°F July 08 69.2°F
July 12 73.8°F July 07 69.8°F
July 11 73.6°F July 06 69.2°F
July 10 72.6°F July 05 70.0°F
July 09 71.2°F July 04 71.2°F

When is the Warmest Sea for Boston?

According to our data for the last three years for Boston the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2019 2018 2017

The average sea surface temperature in August 2019 for Boston was 69.1°F. The maximum and minimum values were 65.2°F and 74.2°F respectively.

Sea Water Temperature in July

Select Year: 2019 2018 2017

The average sea surface temperature in July 2019 for Boston was 70.7°F. The maximum and minimum values were 65.6°F and 75.8°F respectively.

Sea Water Temperature in September

Select Year: 2019 2018 2017

The average sea surface temperature in September 2019 for Boston was 66.2°F. The maximum and minimum values were 63.6°F and 69.6°F respectively.

Best Time to Visit Boston
The most sunny months:
August 18 days
July 17 days
September 15 days
The most warm months:
July 85.8 °F
August 84.1 °F
June 76.2 °F
Warmest sea temperature:
August 69.1 °F
July 68.3 °F
September 65.5 °F
The most cold months:
January 30.8 °F
February 32.4 °F
December 38.0 °F
The most rainy months:
April 6 days
March 5 days
November 5 days
The most windy months:
January 11 mph
March 11 mph
February 11 mph

Boston on the Weather Map

USA Resorts:
NAME
Boston +88
Chicago +80
Hawaii +80
Honolulu +78
Houston +100
Jacksonville +98
Las Vegas +100
Los Angeles +84
Miami +94
New Orleans +96
New York +92
San Diego +76
San Francisco +58
San Jose +80
Washington +90
24 Hours Weather Forecast
Boston
Local time: 11:54
13 jul, monday
1200 88°F
NE
9 mph
1500 82°F
NE
11 mph
1800 78°F
N
6 mph
2100 76°F
N
4 mph
14 jul, tuesday
0000 74°F
N
3 mph
0300 74°F
NE
2 mph
0600 74°F
NE
3 mph
0900 74°F
SW
5 mph