Current sea water temperature:
+73.9°F
| Minimum sea water temperature in August: | 76.5°F |
| Maximum sea water temperature in August: | 68.2°F |
| Average sea water temperature in August: | 72.6°F |
| more information | |
14 days
forecast
forecast
| Edgartown |
monthly
weather
weather
| Edgartown |
Sea water temperature for the last 10 days:
| August 12 | 73.9°F | August 7 | 72.0°F |
| August 11 | 72.3°F | August 6 | 70.3°F |
| August 10 | 72.7°F | August 5 | 71.1°F |
| August 9 | 72.7°F | August 4 | 70.9°F |
| August 8 | 73.6°F | August 3 | 71.4°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 69.9°F. The highest and lowest sea temperatures during the month were 73.4°F and 67.3°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
August
August
| Edgartown |
Best time for vacation in Edgartown
Edgartown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Edgartown
Local time: 17:17
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
