Average sea water temperature in August:
+71.8°F
| Minimum sea water temperature in August: | 77.0°F |
| Maximum sea water temperature in August: | 67.3°F |
Daily sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 70.7°F. The highest and lowest sea temperatures during the month were 72.3°F and 69.1°F.
sea water
temperature
temperature
| Martha's Vineyard |
monthly
weather
weather
| Martha's Vineyard |
current
weather
weather
| Martha's Vineyard |
14 days
forecast
forecast
| Martha's Vineyard |
Monthly sea water temperature in Martha's Vineyard, °F
Which USA resorts have warmest sea in August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| Key West | 88.8°F | 88.8°F |
| Naples | 88.1°F | 88.7°F |
| New Orleans | 88.0°F | 87.4°F |
| Houston | 87.8°F | 87.8°F |
| Miami | 87.3°F | 88.1°F |
| Miami Beach | 87.1°F | 87.9°F |
| Sarasota | 87.1°F | 88.6°F |
| Clearwater Beach | 86.8°F | 88.5°F |
| Tampa | 86.8°F | 88.6°F |
| Fort Lauderdale | 86.8°F | 87.2°F |
| St. George Island | 86.7°F | 86.5°F |
| West Palm Beach | 86.4°F | 86.8°F |
| Pensacola Beach | 86.4°F | 86.6°F |
| Panama City Beach | 86.3°F | 86.2°F |
| Hilton Head Island | 86.2°F | 85.0°F |
| Santa Rosa Beach | 86.2°F | 85.9°F |
| Tybee Island | 86.0°F | 84.5°F |
| Destin | 86.0°F | 86.0°F |
| Fort Walton Beach | 85.8°F | 86.0°F |
| Charleston (SC) | 85.4°F | 84.1°F |
Best time for vacation in Martha's Vineyard
Martha's Vineyard on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Martha's Vineyard
Local time: 19:24
September 09, wednesday
2100
72°F
NE
18 mph
18 mph
September 10, thursday
0000
73°F
NE
23 mph
23 mph
0300
73°F
NE
25 mph
25 mph
0600
73°F
NE
26 mph
26 mph
0900
73°F
NE
27 mph
27 mph
1200
73°F
E
25 mph
25 mph
1500
75°F
NE
21 mph
21 mph
1800
75°F
E
17 mph
17 mph
