World Resorts USA Martha's Vineyard Weather

Martha's Vineyard sea water temperature

Current sea water temperature:
+33.4°F
Minimum sea water temperature in February: 41.9°F
Maximum sea water temperature in February: 31.6°F
Average sea water temperature in February: 36.9°F

Sea water temperature for the last 10 days:

February 24 33.4°F February 19 33.3°F
February 23 34.0°F February 18 32.9°F
February 22 33.6°F February 17 32.9°F
February 21 33.3°F February 16 32.4°F
February 20 33.6°F February 15 32.7°F

When is the warmest sea in Martha's Vineyard?

Based on the data about daily sea water temperature for the last three years the warmest sea in Martha's Vineyard was noticed in August, July and September.

Monthly Sea Temperatures in Martha's Vineyard, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 69.0°F. The highest and lowest sea temperatures during the month were 72.1°F and 67.3°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 71.1°F and 64.4°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 67.9°F. The highest and lowest sea temperatures during the month were 69.8°F and 66.6°F.

Best time for vacation in Martha's Vineyard

Sunniest months:
November 15 days
October 14 days
June 13 days
Warmest months:
July 74.0 °F
August 73.4 °F
September 69.3 °F
Warmest sea temp:
August 71.9 °F
July 70.5 °F
September 69.0 °F
Coldest months:
January 36.6 °F
February 37.1 °F
March 42.2 °F
Rainiest months:
January 3 days
April 3 days
October 3 days
Windiest months:
December 14.5 mph
January 14.5 mph
November 14.4 mph

Martha's Vineyard on a weather map

Martha's Vineyard
+27°F
E 17 mph
Feels like: +14°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+72°F
+72°F
+72°F
+66°F
+63°F
+63°F
+64°F
+27°F
+64°F
+55°F
+54°F
+54°F
+66°F
+37°F
24 Hours Forecast
Martha's Vineyard
Local time: 20:27
February 24, tuesday
2100
27°F
E
17 mph
February 25, wednesday
0000
23°F
E
14 mph
0300
23°F
NE
16 mph
0600
28°F
N
16 mph
0900
34°F
N
21 mph
1200
37°F
NE
24 mph
1500
39°F
NE
23 mph
1800
37°F
E
24 mph
Units of measurement: °C / °F