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
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
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°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 Island 81.1°F 79.2°F
Kailua Kona 80.9°F 80.6°F
Galveston 80.8°F 78.8°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
Maui 79.8°F 79.4°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
May 4 days
October 4 days
Windiest months:
January 10.7 mph
March 10.7 mph
April 10.3 mph

Boston on a weather map

Boston
+32°F
E 5 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+75°F
+75°F
+68°F
+64°F
+61°F
+72°F
+68°F
+34°F
+61°F
+63°F
+54°F
+52°F
+57°F
+43°F
24 Hours Forecast
Boston
Local time: 07:22
March 20, friday
0900
41°F
E
4 mph
1200
50°F
NE
6 mph
1500
57°F
N
12 mph
1800
48°F
NE
16 mph
2100
43°F
NE
17 mph
March 21, saturday
0000
43°F
NE
14 mph
0300
43°F
NE
9 mph
0600
41°F
E
6 mph
Units of measurement: °C / °F