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
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
Naples 81.9°F 81.6°F
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°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 34.8 °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
February 10.5 mph

Boston on a weather map

Boston
+18°F
NE 6 mph
Feels like: +5°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+68°F
+68°F
+64°F
+63°F
+63°F
+63°F
+63°F
+25°F
+61°F
+55°F
+52°F
+48°F
+59°F
+32°F
24 Hours Forecast
Boston
Local time: 01:24
February 25, wednesday
0300
14°F
NE
6 mph
0600
18°F
N
4 mph
0900
25°F
NW
11 mph
1200
32°F
NE
10 mph
1500
36°F
NE
9 mph
1800
34°F
NE
9 mph
2100
34°F
NE
12 mph
February 26, thursday
0000
34°F
E
9 mph
Units of measurement: °C / °F