Measurements:
°C
°F
Martha's Vineyard
82°F
NE 19 mph
Feels like: 86°F
Precip: 4%
World Resorts USA Martha's Vineyard Weather

14 Day Weather Forecast

08.25
tue
DAY
82°F
E 17 mph
precip
4%
NIGHT
68°F
E 12 mph
precip
10%
08.26
wed
DAY
74°F
E 8 mph
precip
4%
NIGHT
74°F
NE 12 mph
precip
18%
08.27
thu
DAY
78°F
NE 9 mph
precip
17%
NIGHT
74°F
N 12 mph
precip
46%
08.28
fri
DAY
78°F
NW 3 mph
precip
9%
NIGHT
76°F
E 11 mph
precip
29%
08.29
sat
DAY
76°F
S 6 mph
precip
12%
NIGHT
70°F
N 8 mph
precip
25%
08.30
sun
DAY
76°F
NE 8 mph
precip
6%
NIGHT
74°F
SE 5 mph
precip
72%
08.31
mon
DAY
78°F
NE 7 mph
precip
5%
NIGHT
74°F
W 8 mph
precip
12%
09.01
tue
DAY
76°F
NW 12 mph
precip
14%
NIGHT
74°F
NE 19 mph
precip
92%
09.02
wed
DAY
68°F
NE 14 mph
precip
26%
NIGHT
66°F
SW 8 mph
precip
26%
09.03
thu
DAY
68°F
W 15 mph
precip
36%
NIGHT
68°F
N 8 mph
precip
25%
09.04
fri
DAY
66°F
S 9 mph
precip
65%
NIGHT
66°F
E 15 mph
precip
17%
09.05
sat
DAY
66°F
NE 5 mph
precip
14%
NIGHT
66°F
S 12 mph
precip
19%
09.06
sun
DAY
64°F
E 2 mph
precip
15%
NIGHT
62°F
S 11 mph
precip
17%
09.07
mon
DAY
64°F
SW 14 mph
precip
16%
NIGHT
62°F
SW 17 mph
precip
14%

Martha's Vineyard Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Martha's Vineyard was 73.0°F. The maximum and minimum values were 71.2°F and 74.8°F respectively.

Martha's Vineyard on the Weather Map

Best Time to Visit Martha's Vineyard
The most sunny months:
November 15 days
October 14 days
June 14 days
The most warm months:
July 77.7 °F
August 76.0 °F
September 71.4 °F
Warmest sea temperature:
August 74.1 °F
July 72.5 °F
September 71.1 °F
The most cold months:
February 35.1 °F
January 35.1 °F
December 41.5 °F
The most rainy months:
January 3 days
October 3 days
July 2 days
The most windy months:
December 14 mph
January 14 mph
November 14 mph
USA Resorts:
NAME
Boston +80
Chicago +78
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +90
Myrtle Beach +84
New York +86
San Diego +96
San Francisco +74
Santa Monica +86
Sarasota +92
Washington +88
24 Hours Weather Forecast
Martha's Vineyard
Local time: 17:56
25 aug, tuesday
1800 82°F
NE
19 mph
2100 70°F
E
14 mph
26 aug, wednesday
0000 68°F
E
12 mph
0300 68°F
SE
11 mph
0600 66°F
SE
9 mph
0900 70°F
SE
7 mph
1200 74°F
E
8 mph
1500 74°F
NE
7 mph