Measurements:
°C
°F
CURRENT WEATHER
14:56
Martha's Vineyard
58°F
NW 16 mph
Feels like: 56°F
Precip: 100%
World Resorts USA Martha's Vineyard Weather

7 Day Weather Forecast

05.14
thu
DAY
62°F
NW 18 mph
precip
100%
NIGHT
52°F
E 7 mph
precip
0%
05.15
fri
DAY
56°F
N 4 mph
precip
100%
NIGHT
52°F
S 6 mph
precip
0%
05.16
sat
DAY
54°F
NE 15 mph
precip
0%
NIGHT
56°F
NE 19 mph
precip
0%
05.17
sun
DAY
60°F
NE 12 mph
precip
0%
NIGHT
60°F
SE 9 mph
precip
0%
05.18
mon
DAY
58°F
W 12 mph
precip
0%
NIGHT
56°F
N 9 mph
precip
0%
05.19
tue
DAY
60°F
NE 13 mph
precip
0%
NIGHT
60°F
NE 21 mph
precip
0%
05.20
wed
DAY
62°F
NE 19 mph
precip
0%
NIGHT
60°F
E 9 mph
precip
100%

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

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Martha's Vineyard was 12.8°F. The maximum and minimum values were 10.2°F and 14.7°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
September 13 days
The most warm months:
July 76.7 °F
August 76.0 °F
September 71.4 °F
Warmest sea temperature:
August 74.3 °F
July 72.8 °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
more details