Current sea water temperature:
+38.8°F
| Minimum sea water temperature in January: | 46.0°F |
| Maximum sea water temperature in January: | 35.1°F |
| Average sea water temperature in January: | 40.5°F |
| more information | |
14 days
forecast
forecast
| Martha's Vineyard |
monthly
weather
weather
| Martha's Vineyard |
Sea water temperature for the last 10 days:
| January 8 | 38.8°F | January 3 | 41.2°F |
| January 7 | 40.1°F | January 2 | 41.2°F |
| January 6 | 40.3°F | January 1 | 42.1°F |
| January 5 | 41.0°F | December 31 | 42.1°F |
| January 4 | 40.6°F | December 30 | 41.9°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:
2025
2024
2023
The average sea water temperature in August of 2025 was 69.0°F. The highest and lowest sea temperatures during the month were 72.1°F and 67.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 71.1°F and 64.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.9°F. The highest and lowest sea temperatures during the month were 69.8°F and 66.6°F.
current
weather
weather
| Martha's Vineyard |
weather in
January
January
| 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: 12:49
January 08, thursday
1500
46°F
S
6 mph
6 mph
1800
39°F
SE
2 mph
2 mph
2100
37°F
E
4 mph
4 mph
January 09, friday
0000
36°F
E
4 mph
4 mph
0300
36°F
NE
3 mph
3 mph
0600
36°F
N
6 mph
6 mph
0900
37°F
N
7 mph
7 mph
1200
39°F
NE
13 mph
13 mph
