30.08
sun
sun
Day

82°F
NE 9 mph
Precip.
2%
2%
Night

70°F
E 7 mph
Precip.
15%
15%
31.08
mon
mon
Day

77°F
NW 8 mph
Precip.
11%
11%
Night

68°F
N 6 mph
Precip.
21%
21%
01.09
tue
tue
Day

64°F
W 10 mph
Precip.
78%
78%
Night

61°F
NW 7 mph
Precip.
45%
45%
02.09
wed
wed
Day

68°F
NW 11 mph
Precip.
16%
16%
Night

64°F
W 4 mph
Precip.
44%
44%
03.09
thu
thu
Day

64°F
NW 12 mph
Precip.
88%
88%
Night

64°F
SE 9 mph
Precip.
34%
34%
04.09
fri
fri
Day

70°F
S 7 mph
Precip.
22%
22%
Night

63°F
NW 3 mph
Precip.
43%
43%
05.09
sat
sat
Day

73°F
E 6 mph
Precip.
5%
5%
Night

63°F
E 3 mph
Precip.
12%
12%
06.09
sun
sun
Day

73°F
W 4 mph
Precip.
2%
2%
Night

64°F
N 5 mph
Precip.
42%
42%
07.09
mon
mon
Day

70°F
E 5 mph
Precip.
64%
64%
Night

59°F
S 6 mph
Precip.
20%
20%
08.09
tue
tue
Day

70°F
N 3 mph
Precip.
15%
15%
Night

63°F
E 8 mph
Precip.
14%
14%
09.09
wed
wed
Day

72°F
N 4 mph
Precip.
3%
3%
Night

68°F
N 7 mph
Precip.
31%
31%
10.09
thu
thu
Day

79°F
E 9 mph
Precip.
36%
36%
Night

63°F
E 5 mph
Precip.
16%
16%
11.09
fri
fri
Day

72°F
E 10 mph
Precip.
1%
1%
Night

57°F
E 9 mph
Precip.
5%
5%
12.09
sat
sat
Day

59°F
E 11 mph
Precip.
9%
9%
Night

50°F
SE 9 mph
Precip.
8%
8%
sea water
temperature
temperature
| Cambridge |
monthly
weather
weather
| Cambridge |
current
weather
weather
| Cambridge |
7 days
forecast
forecast
| Cambridge |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 68.5°F. The highest and lowest sea temperatures during the month were 71.2°F and 66.2°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.
Air temperature in Cambridge, °F
Precipitation total in Cambridge, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cambridge
Cambridge on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Cambridge
Local time: 04:05
August 30, sunday
0600

59°F
NE
6 mph
6 mph
0900

72°F
NE
7 mph
7 mph
1200

82°F
NE
9 mph
9 mph
1500

86°F
E
12 mph
12 mph
1800

79°F
E
11 mph
11 mph
2100

75°F
E
9 mph
9 mph
August 31, monday
0000

70°F
E
7 mph
7 mph
0300

66°F
SE
5 mph
5 mph



























