World Resorts USA Boston Weather

Boston Sea Temperature in October

Average sea water temperature in October:
+58.1°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
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Islamorada 83.1°F 82.9°F
Key Largo 83.0°F 83.1°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Marco Island 82.0°F 81.9°F
Naples 81.9°F 81.6°F
Princeville 81.3°F 79.2°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Kailua Kona 80.9°F 80.6°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Siesta Key 80.4°F 80.7°F
Houston 80.4°F 78.8°F
Sarasota 80.2°F 80.5°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 33.3 °F
February 34.8 °F
December 39.4 °F
Rainiest months:
April 5 days
May 4 days
October 4 days
Windiest months:
January 10.8 mph
March 10.7 mph
February 10.5 mph

Boston on a weather map

Boston
+12°F
SE 11 mph
Feels like: +1°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+45°F
+3°F
24 Hours Forecast
Boston
Local time: 02:44
December 05, friday
0300
12°F
SE
11 mph
0600
10°F
SE
7 mph
0900
14°F
E
4 mph
1200
23°F
NE
6 mph
1500
27°F
NE
8 mph
1800
25°F
NE
6 mph
2100
23°F
NE
6 mph
December 06, saturday
0000
23°F
NE
5 mph
Units of measurement: °C / °F