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Martha's Vineyard Weather

Martha's Vineyard 14 Days Forecast

30.09
wed

Day

63°F

N 2 mph

Precip.
11%

Night

63°F

NE 8 mph

Precip.
28%

01.10
thu

Day

68°F

NE 11 mph

Precip.
23%

Night

64°F

NE 12 mph

Precip.
15%

02.10
fri

Day

70°F

NE 17 mph

Precip.
11%

Night

66°F

NE 19 mph

Precip.
12%

03.10
sat

Day

63°F

SW 20 mph

Precip.
9%

Night

59°F

SW 12 mph

Precip.
9%

04.10
sun

Day

61°F

W 7 mph

Precip.
17%

Night

59°F

SE 9 mph

Precip.
79%

05.10
mon

Day

61°F

NE 8 mph

Precip.
5%

Night

59°F

NW 7 mph

Precip.
16%

06.10
tue

Day

55°F

S 12 mph

Precip.
4%

Night

50°F

S 12 mph

Precip.
4%

07.10
wed

Day

54°F

SW 7 mph

Precip.
1%

Night

52°F

N 8 mph

Precip.
4%

08.10
thu

Day

57°F

N 13 mph

Precip.
5%

Night

59°F

NW 12 mph

Precip.
21%

09.10
fri

Day

61°F

W 11 mph

Precip.
51%

Night

59°F

NW 10 mph

Precip.
32%

10.10
sat

Day

57°F

SW 14 mph

Precip.
7%

Night

55°F

NW 7 mph

Precip.
19%

11.10
sun

Day

59°F

N 6 mph

Precip.
10%

Night

61°F

N 11 mph

Precip.
27%

12.10
mon

Day

61°F

SE 15 mph

Precip.
18%

Night

48°F

SE 15 mph

Precip.
11%

13.10
tue

Day

52°F

NE 11 mph

Precip.
2%

Night

54°F

NE 13 mph

Precip.
4%

sea water
temperature

Martha's Vineyard

monthly
weather

Martha's Vineyard

current
weather

Martha's Vineyard

7 days
forecast

Martha's Vineyard

January
February
March
April

May
June
July
August

September
October
November
December

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.

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.