30.09
wed
wed
Day
63°F
N 2 mph
Precip.
11%
11%
Night
63°F
NE 8 mph
Precip.
28%
28%
01.10
thu
thu
Day
68°F
NE 11 mph
Precip.
23%
23%
Night
64°F
NE 12 mph
Precip.
15%
15%
02.10
fri
fri
Day
70°F
NE 17 mph
Precip.
11%
11%
Night
66°F
NE 19 mph
Precip.
12%
12%
03.10
sat
sat
Day
63°F
SW 20 mph
Precip.
9%
9%
Night
59°F
SW 12 mph
Precip.
9%
9%
04.10
sun
sun
Day
61°F
W 7 mph
Precip.
17%
17%
Night
59°F
SE 9 mph
Precip.
79%
79%
05.10
mon
mon
Day
61°F
NE 8 mph
Precip.
5%
5%
Night
59°F
NW 7 mph
Precip.
16%
16%
06.10
tue
tue
Day
55°F
S 12 mph
Precip.
4%
4%
Night
50°F
S 12 mph
Precip.
4%
4%
sea water
temperature
temperature
| Martha's Vineyard |
monthly
weather
weather
| Martha's Vineyard |
current
weather
weather
| Martha's Vineyard |
14 days
forecast
forecast
| Martha's Vineyard |
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.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 62.9°F. The highest and lowest sea temperatures during the month were 67.6°F and 58.1°F.
Air temperature in Martha's Vineyard, °F
Precipitation total in Martha's Vineyard, in.
* Charts above show average data for the last 3 years.
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: 08:45
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
