Current sea water temperature:
+58.3°F
| Minimum sea water temperature in May: | 61.3°F |
| Maximum sea water temperature in May: | 46.2°F |
| Average sea water temperature in May: | 54.0°F |
| more information | |
14 days
forecast
forecast
| Edgartown |
monthly
weather
weather
| Edgartown |
Sea water temperature for the last 10 days:
| May 30 | 58.3°F | May 25 | 56.3°F |
| May 29 | 58.6°F | May 24 | 56.5°F |
| May 28 | 56.5°F | May 23 | 56.5°F |
| May 27 | 58.3°F | May 22 | 56.7°F |
| May 26 | 55.8°F | May 21 | 57.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Edgartown?
Based on the data about daily sea water temperature for the last three years the warmest sea in Edgartown was noticed in August, July and September.
Monthly Sea Temperatures in Edgartown, °F
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.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 69.3°F. The highest and lowest sea temperatures during the month were 71.6°F and 65.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 70.2°F and 66.4°F.
current
weather
weather
| Edgartown |
weather in
June
June
| Edgartown |
Best time for vacation in Edgartown
Edgartown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Edgartown
Local time: 01:27
May 31, sunday
0300

45°F
S
17 mph
17 mph
0600

46°F
SE
13 mph
13 mph
0900

55°F
SE
9 mph
9 mph
1200

59°F
NE
12 mph
12 mph
1500

59°F
NE
16 mph
16 mph
1800

57°F
NE
13 mph
13 mph
2100

55°F
NE
7 mph
7 mph
June 01, monday
0000

55°F
E
11 mph
11 mph



























