World Resorts USA Boston Weather

Boston Sea Temperature in August

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:
2025
2024
2023

The average sea water temperature in August of 2025 was 67.2°F. The highest and lowest sea temperatures during the month were 70.5°F and 64.9°F.

Monthly sea water temperature in Boston, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Everglades 88.8°F 87.0°F
Key West 88.8°F 87.8°F
Cape Coral 88.7°F 86.8°F
Key Largo 88.7°F 87.3°F
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Hialeah 87.9°F 86.2°F
Galveston 87.9°F 88.3°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
West Palm Beach 86.8°F 86.2°F

Best time for vacation in Boston

Sunniest months:
August 16 days
July 15 days
November 14 days
Warmest months:
July 81.9 °F
August 80.3 °F
June 74.2 °F
Warmest sea temp:
August 67.6 °F
July 66.8 °F
September 64.3 °F
Coldest months:
January 33.2 °F
February 34.6 °F
December 39.2 °F
Rainiest months:
April 5 days
June 4 days
October 4 days
Windiest months:
January 10.7 mph
March 10.6 mph
February 10.3 mph

Boston on a weather map

Boston
+64°F
NE 4 mph
Feels like: +64°F
Precip.: 2%
Places in USA:
Name
°F
+75°F
+75°F
+91°F
+66°F
+73°F
+81°F
+72°F
+72°F
+63°F
+63°F
+63°F
+79°F
+77°F
+79°F
+70°F
24 Hours Forecast
Boston
Local time: 23:18
June 06, saturday
0000
64°F
NE
4 mph
0300
61°F
NE
4 mph
0600
64°F
NW
2 mph
0900
77°F
N
5 mph
1200
84°F
NE
8 mph
1500
82°F
NE
7 mph
1800
75°F
NE
3 mph
2100
70°F
NE
3 mph
Units of measurement: °C / °F