18.03
wed
wed
Day
36°F
SE 9 mph
Precip.
0%
0%
Night
30°F
N 7 mph
Precip.
0%
0%
19.03
thu
thu
Day
37°F
NW 9 mph
Precip.
0%
0%
Night
36°F
N 11 mph
Precip.
0%
0%
20.03
fri
fri
Day
45°F
NE 11 mph
Precip.
0%
0%
Night
43°F
NE 20 mph
Precip.
0%
0%
21.03
sat
sat
Day
46°F
N 9 mph
Precip.
0%
0%
Night
41°F
SW 6 mph
Precip.
70%
70%
22.03
sun
sun
Day
43°F
NE 13 mph
Precip.
74%
74%
Night
41°F
SW 6 mph
Precip.
100%
100%
23.03
mon
mon
Day
36°F
SW 22 mph
Precip.
100%
100%
Night
34°F
NW 14 mph
Precip.
22%
22%
24.03
tue
tue
Day
34°F
S 21 mph
Precip.
54%
54%
Night
34°F
NE 10 mph
Precip.
0%
0%
sea water
temperature
temperature
| Edgartown |
monthly
weather
weather
| Edgartown |
current
weather
weather
| Edgartown |
14 days
forecast
forecast
| Edgartown |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 36.9°F. The highest and lowest sea temperatures during the month were 40.6°F and 33.8°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 45.6°F. The highest and lowest sea temperatures during the month were 50.9°F and 43.0°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: 17:25
March 18, wednesday
1800
34°F
N
9 mph
9 mph
2100
32°F
N
7 mph
7 mph
March 19, thursday
0000
30°F
N
7 mph
7 mph
0300
30°F
N
3 mph
3 mph
0600
32°F
NW
4 mph
4 mph
0900
36°F
NW
7 mph
7 mph
1200
37°F
NW
9 mph
9 mph
1500
39°F
N
9 mph
9 mph
