12.08
wed
wed
Day
88°F
W 2 mph
Precip.
1%
1%
Night
68°F
NE 13 mph
Precip.
10%
10%
13.08
thu
thu
Day
70°F
NE 16 mph
Precip.
63%
63%
Night
73°F
SE 11 mph
Precip.
7%
7%
14.08
fri
fri
Day
75°F
SE 11 mph
Precip.
2%
2%
Night
70°F
S 14 mph
Precip.
3%
3%
15.08
sat
sat
Day
72°F
S 9 mph
Precip.
2%
2%
Night
70°F
NE 9 mph
Precip.
5%
5%
16.08
sun
sun
Day
72°F
N 15 mph
Precip.
14%
14%
Night
73°F
NE 20 mph
Precip.
56%
56%
17.08
mon
mon
Day
77°F
NE 6 mph
Precip.
27%
27%
Night
73°F
W 8 mph
Precip.
24%
24%
18.08
tue
tue
Day
73°F
W 7 mph
Precip.
4%
4%
Night
72°F
NE 9 mph
Precip.
7%
7%
sea water
temperature
temperature
| Edgartown |
monthly
weather
weather
| Edgartown |
current
weather
weather
| Edgartown |
14 days
forecast
forecast
| Edgartown |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.2°F. The highest and lowest sea temperatures during the month were 73.2°F and 68.4°F.
Air temperature in Edgartown, °F
Precipitation total in Edgartown, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Edgartown
Edgartown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Edgartown
Local time: 17:16
August 12, wednesday
1800
81°F
N
9 mph
9 mph
2100
72°F
N
11 mph
11 mph
August 13, thursday
0000
68°F
NE
13 mph
13 mph
0300
70°F
SE
11 mph
11 mph
0600
68°F
E
8 mph
8 mph
0900
70°F
N
14 mph
14 mph
1200
70°F
NE
16 mph
16 mph
1500
72°F
NE
16 mph
16 mph
