Measurements:
°C
°F
Martha's Vineyard
88°F
NE 12 mph
Feels like: 92°F
Precip: 2%
World Resorts USA Martha's Vineyard Weather

14 Day Weather Forecast

08.05
wed
DAY
88°F
NE 11 mph
precip
4%
NIGHT
70°F
NE 12 mph
precip
15%
08.06
thu
DAY
78°F
NE 14 mph
precip
15%
NIGHT
76°F
NE 14 mph
precip
20%
08.07
fri
DAY
80°F
NE 14 mph
precip
14%
NIGHT
76°F
NE 12 mph
precip
17%
08.08
sat
DAY
78°F
NE 15 mph
precip
13%
NIGHT
76°F
E 16 mph
precip
24%
08.09
sun
DAY
78°F
NE 14 mph
precip
12%
NIGHT
78°F
NE 17 mph
precip
12%
08.10
mon
DAY
80°F
NE 13 mph
precip
12%
NIGHT
78°F
NE 13 mph
precip
53%
08.11
tue
DAY
80°F
E 15 mph
precip
13%
NIGHT
74°F
W 6 mph
precip
14%
08.12
wed
DAY
76°F
N 2 mph
precip
36%
NIGHT
74°F
E 9 mph
precip
10%
08.13
thu
DAY
76°F
NE 7 mph
precip
12%
NIGHT
74°F
E 11 mph
precip
7%
08.14
fri
DAY
78°F
NE 9 mph
precip
5%
NIGHT
76°F
E 9 mph
precip
8%
08.15
sat
DAY
76°F
W 5 mph
precip
6%
NIGHT
74°F
W 7 mph
precip
15%
08.16
sun
DAY
74°F
W 7 mph
precip
21%
NIGHT
70°F
SW 9 mph
precip
11%
08.17
mon
DAY
74°F
W 14 mph
precip
10%
NIGHT
70°F
SW 9 mph
precip
29%
08.18
tue
DAY
72°F
W 6 mph
precip
17%
NIGHT
72°F
NE 9 mph
precip
38%

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

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Martha's Vineyard was 71.2°F. The maximum and minimum values were 69.2°F and 74.6°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 74.3 °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 +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Martha's Vineyard
Local time: 16:24
05 aug, wednesday
1800 86°F
NE
12 mph
2100 72°F
NE
12 mph
06 aug, thursday
0000 70°F
NE
12 mph
0300 76°F
NE
11 mph
0600 76°F
NE
11 mph
0900 78°F
NE
11 mph
1200 78°F
NE
14 mph
1500 80°F
NE
17 mph