Current sea water temperature:
+62.1°F
| Minimum sea water temperature in September: | 74.3°F |
| Maximum sea water temperature in September: | 62.1°F |
| Average sea water temperature in September: | 68.8°F |
| more information | |
14 days
forecast
forecast
| Martha's Vineyard |
monthly
weather
weather
| Martha's Vineyard |
Sea water temperature for the last 10 days:
| September 30 | 62.1°F | September 25 | 65.5°F |
| September 29 | 63.1°F | September 24 | 66.2°F |
| September 28 | 63.1°F | September 23 | 67.1°F |
| September 27 | 63.1°F | September 22 | 66.9°F |
| September 26 | 64.0°F | September 21 | 67.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Martha's Vineyard?
Based on the data about daily sea water temperature for the last three years the warmest sea in Martha's Vineyard was noticed in August, July and September.
Monthly Sea Temperatures in Martha's Vineyard, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 70.7°F. The highest and lowest sea temperatures during the month were 72.3°F and 69.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 68.6°F. The highest and lowest sea temperatures during the month were 71.4°F and 66.4°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 67.6°F. The highest and lowest sea temperatures during the month were 70.7°F and 62.1°F.
current
weather
weather
| Martha's Vineyard |
weather in
October
October
| Martha's Vineyard |
Best time for vacation in Martha's Vineyard
Martha's Vineyard on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Martha's Vineyard
Local time: 08:47
September 30, wednesday
0900
61°F
SW
4 mph
4 mph
1200
63°F
N
2 mph
2 mph
1500
64°F
N
5 mph
5 mph
1800
64°F
N
6 mph
6 mph
2100
63°F
NE
7 mph
7 mph
October 01, thursday
0000
63°F
NE
8 mph
8 mph
0300
63°F
NE
9 mph
9 mph
0600
64°F
NE
9 mph
9 mph
