Measurements:
°C
°F
Cambridge
60°F
SW 6 mph
Feels like: 60°F
Precip: 3%
World Resorts USA Cambridge Weather

Cambridge Sea Water Temperature

Current Sea Water Temperature:
+67.4°F
Maximum Sea Water Temperature in September: 74.0°F
Minimum Sea Water Temperature in September: 60.8°F
Average water temperature in September: 66.6°F

Sea Water Temperature for the Last 10 Days:

September 15 67.4°F September 10 67.8°F
September 14 68.0°F September 09 66.2°F
September 13 67.4°F September 08 67.4°F
September 12 69.2°F September 07 67.4°F
September 11 68.4°F September 06 69.6°F

When is the Warmest Sea for Cambridge?

According to our data for the last three years for Cambridge 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Cambridge was 70.6°F. The maximum and minimum values were 68.0°F and 73.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Cambridge was 69.3°F. The maximum and minimum values were 65.2°F and 73.4°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Cambridge was 68.2°F. The maximum and minimum values were 66.2°F and 70.8°F respectively.

Best Time to Visit Cambridge
The most sunny months:
November 17 days
July 14 days
September 13 days
The most warm months:
July 85.8 °F
August 83.6 °F
June 79.4 °F
Warmest sea temperature:
August 70.3 °F
July 69.2 °F
September 66.5 °F
The most cold months:
January 32.8 °F
February 34.1 °F
December 38.2 °F
The most rainy months:
October 3 days
April 2 days
August 2 days
The most windy months:
March 9 mph
January 9 mph
November 8 mph

Cambridge on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
24 Hours Weather Forecast
Cambridge
Local time: 09:41
15 sep, tuesday
1200 66°F
W
6 mph
1500 66°F
NW
7 mph
1800 62°F
NW
7 mph
2100 58°F
N
7 mph
16 sep, wednesday
0000 56°F
N
5 mph
0300 54°F
NE
5 mph
0600 54°F
NE
5 mph
0900 64°F
NE
7 mph