World Resorts USA Boston Weather

Boston Sea Temperature in October

Average sea water temperature in October:
+58.2°F
Minimum sea water temperature in October: 64.6°F
Maximum sea water temperature in October: 52.0°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 58.8°F. The highest and lowest sea temperatures during the month were 64.6°F and 54.1°F.

Monthly sea water temperature in Boston, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
South Padre Island 84.0°F 82.4°F
Key West 83.8°F 82.9°F
West Palm Beach 83.5°F 83.3°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Key Largo 83.0°F 83.1°F
Miami 82.7°F 82.9°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Galveston 80.8°F 78.8°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Houston 80.4°F 78.8°F
Siesta Key 80.4°F 80.7°F
Sarasota 80.2°F 80.5°F
Port St. Lucie 80.2°F 80.4°F
Maui 79.8°F 79.4°F
Oahu 79.8°F 80.2°F

Best time for vacation in Boston

Sunniest months:
August 16 days
July 15 days
November 14 days
Warmest months:
July 82.1 °F
August 80.6 °F
June 74.6 °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
+55°F
SE 2 mph
Feels like: +57°F
Precip.: 13%
Places in USA:
Name
°F
+55°F
+61°F
+77°F
+82°F
+90°F
+84°F
+70°F
+70°F
+59°F
+82°F
+66°F
+82°F
+79°F
+64°F
24 Hours Forecast
Boston
Local time: 23:07
October 05, monday
0000
55°F
SE
2 mph
0300
54°F
SE
4 mph
0600
52°F
NE
4 mph
0900
57°F
NE
9 mph
1200
68°F
E
15 mph
1500
66°F
E
16 mph
1800
61°F
E
11 mph
2100
55°F
SE
14 mph
Units of measurement: °C / °F