Measurements:
°C
°F
Cambridge
80°F
E 7 mph
Feels like: 82°F
Precip: 2%
World Resorts USA Cambridge Weather

Cambridge Sea Water Temperature

Current Sea Water Temperature:
+70.2°F
Maximum Sea Water Temperature in August: 77.2°F
Minimum Sea Water Temperature in August: 64.4°F
Average water temperature in August: 70.3°F

Sea Water Temperature for the Last 10 Days:

August 25 70.2°F August 20 70.0°F
August 24 68.6°F August 19 68.0°F
August 23 69.6°F August 18 69.6°F
August 22 70.2°F August 17 68.4°F
August 21 71.4°F August 16 70.8°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 70.5°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: 2025 2024 2023

The average sea surface temperature in September 2025 for Cambridge was 65.4°F. The maximum and minimum values were 61.4°F and 68.8°F respectively.

Best Time to Visit Cambridge
The most sunny months:
November 17 days
July 14 days
October 13 days
The most warm months:
July 85.8 °F
August 82.9 °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 +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Cambridge
Local time: 17:34
25 aug, tuesday
1800 80°F
E
7 mph
2100 74°F
E
6 mph
26 aug, wednesday
0000 68°F
E
6 mph
0300 64°F
E
6 mph
0600 62°F
E
6 mph
0900 72°F
SE
6 mph
1200 80°F
E
4 mph
1500 84°F
E
4 mph