Measurements:
°C
°F
Boston
44°F
SE 19 mph
Feels like: 32°F
Precip: 0%
World Resorts USA Boston Weather

Boston Sea Water Temperature

Current Sea Water Temperature:
+49.2°F
Maximum Sea Water Temperature in November: 59.4°F
Minimum Sea Water Temperature in November: 42.8°F
Average water temperature in November: 50.8°F

Sea Water Temperature for the Last 10 Days:

November 23 49.2°F November 18 49.0°F
November 22 49.0°F November 17 49.0°F
November 21 49.4°F November 16 49.8°F
November 20 49.2°F November 15 50.2°F
November 19 49.8°F November 08 55.4°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: 2024 2023 2022

The average sea surface temperature in August 2024 for Boston was 68.4°F. The maximum and minimum values were 65.8°F and 72.6°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Boston was 67.7°F. The maximum and minimum values were 62.8°F and 70.6°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Boston was 66.0°F. The maximum and minimum values were 62.6°F and 69.8°F respectively.

Best Time to Visit Boston
The most sunny months:
August 16 days
July 15 days
September 13 days
The most warm months:
July 85.5 °F
August 83.9 °F
June 76.9 °F
Warmest sea temperature:
August 69.5 °F
July 68.6 °F
September 65.9 °F
The most cold months:
January 31.6 °F
February 33.2 °F
December 38.4 °F
The most rainy months:
April 5 days
June 5 days
December 4 days
The most windy months:
January 11 mph
March 11 mph
February 10 mph

Boston on the Weather Map

USA Resorts:
NAME
Boston +44
Chicago +40
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +74
Los Angeles +60
Maui +74
Miami +76
New York +46
San Diego +64
San Francisco +54
Sarasota +70
Tampa +72
Washington +52
24 Hours Weather Forecast
Boston
Local time: 19:07
23 nov, saturday
2100 42°F
SE
17 mph
24 nov, sunday
0000 42°F
E
17 mph
0300 40°F
E
15 mph
0600 42°F
E
16 mph
0900 42°F
E
16 mph
1200 46°F
E
17 mph
1500 48°F
E
16 mph
1800 44°F
E
15 mph