Average sea water temperature in August:
+67.6°F
| Minimum sea water temperature in August: | 74.5°F |
| Maximum sea water temperature in August: | 62.2°F |
Daily sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 68.4°F. The highest and lowest sea temperatures during the month were 71.4°F and 66.0°F.
Monthly sea water temperature in Boston, °F
Which USA resorts have warmest sea in August?
| Place name | August 2026 | August 2025 |
|---|---|---|
| Key West | 88.6°F | 88.8°F |
| New Orleans | 88.3°F | 87.4°F |
| Naples | 87.9°F | 88.7°F |
| Houston | 87.8°F | 87.8°F |
| Miami | 87.2°F | 88.1°F |
| Miami Beach | 86.9°F | 87.9°F |
| Clearwater Beach | 86.9°F | 88.5°F |
| Sarasota | 86.9°F | 88.6°F |
| St. George Island | 86.8°F | 86.5°F |
| Tampa | 86.8°F | 88.6°F |
| Fort Lauderdale | 86.8°F | 87.2°F |
| Pensacola Beach | 86.6°F | 86.6°F |
| Panama City Beach | 86.4°F | 86.2°F |
| West Palm Beach | 86.3°F | 86.8°F |
| Hilton Head Island | 86.3°F | 85.0°F |
| Santa Rosa Beach | 86.3°F | 85.9°F |
| Destin | 86.1°F | 86.0°F |
| Tybee Island | 86.1°F | 84.5°F |
| Fort Walton Beach | 85.9°F | 86.0°F |
| Charleston (SC) | 85.6°F | 84.1°F |
Best time for vacation in Boston
Boston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Boston
Local time: 16:15
August 25, tuesday
1800
77°F
E
7 mph
7 mph
2100
72°F
E
6 mph
6 mph
August 26, wednesday
0000
66°F
E
6 mph
6 mph
0300
63°F
E
6 mph
6 mph
0600
61°F
E
6 mph
6 mph
0900
70°F
SE
6 mph
6 mph
1200
77°F
E
4 mph
4 mph
1500
81°F
E
4 mph
4 mph
