World Resorts USA Cambridge Weather

Cambridge sea water temperature

Current sea water temperature:
+43.3°F
Minimum sea water temperature in December: 48.6°F
Maximum sea water temperature in December: 37.9°F
Average sea water temperature in December: 43.7°F

Sea water temperature for the last 10 days:

December 14 43.3°F December 9 43.7°F
December 13 43.3°F December 8 44.2°F
December 12 43.5°F December 7 44.1°F
December 11 44.2°F December 6 44.1°F
December 10 44.1°F December 5 43.3°F

When is the warmest sea in Cambridge?

Based on the data about daily sea water temperature for the last three years the warmest sea in Cambridge was noticed in August, July and September.

Monthly Sea Temperatures in Cambridge, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 67.4°F. The highest and lowest sea temperatures during the month were 70.5°F and 65.1°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 67.2°F. The highest and lowest sea temperatures during the month were 70.3°F and 63.9°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 63.9°F. The highest and lowest sea temperatures during the month were 66.9°F and 60.3°F.

Best time for vacation in Cambridge

Sunniest months:
November 17 days
September 13 days
October 13 days
Warmest months:
July 81.7 °F
August 79.6 °F
June 75.5 °F
Warmest sea temp:
August 68.2 °F
July 67.3 °F
September 64.9 °F
Coldest months:
January 35.1 °F
February 36.3 °F
December 40.1 °F
Rainiest months:
April 3 days
October 3 days
August 2 days
Windiest months:
March 9.3 mph
January 8.8 mph
April 8.8 mph

Cambridge on a weather map

Cambridge
+12°F
SE 14 mph
Feels like: -2°F
Precip.: 0%
Places in USA:
Name
°F
+16°F
+75°F
+75°F
+50°F
+54°F
+68°F
+72°F
+70°F
+16°F
+54°F
+45°F
+57°F
+54°F
+39°F
+3°F
24 Hours Forecast
Cambridge
Local time: 01:49
December 15, monday
0300
12°F
SE
14 mph
0600
12°F
SE
14 mph
0900
16°F
SE
12 mph
1200
25°F
SE
14 mph
1500
25°F
E
12 mph
1800
25°F
E
10 mph
2100
23°F
E
8 mph
December 16, tuesday
0000
21°F
E
9 mph
Units of measurement: °C / °F