Current sea water temperature:
+62.1°F
| Minimum sea water temperature in October: | 64.6°F |
| Maximum sea water temperature in October: | 52.0°F |
| Average sea water temperature in October: | 58.2°F |
| more information | |
14 days
forecast
forecast
| Boston |
monthly
weather
weather
| Boston |
Sea water temperature for the last 10 days:
| October 4 | 62.1°F | September 29 | 60.8°F |
| October 3 | 61.7°F | September 28 | 61.2°F |
| October 2 | 59.2°F | September 27 | 62.2°F |
| October 1 | 59.0°F | September 26 | 61.3°F |
| September 30 | 60.1°F | September 25 | 62.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Boston?
Based on the data about daily sea water temperature for the last three years the warmest sea in Boston was noticed in August, July and September.
Monthly Sea Temperatures in Boston, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 68.4°F. The highest and lowest sea temperatures during the month were 71.4°F and 66.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.1°F. The highest and lowest sea temperatures during the month were 70.9°F and 63.3°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 64.6°F. The highest and lowest sea temperatures during the month were 68.7°F and 60.1°F.
current
weather
weather
| Boston |
weather in
October
October
| Boston |
Best time for vacation in Boston
Boston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Boston
Local time: 21:53
October 05, monday
0000
55°F
SE
2 mph
2 mph
0300
54°F
SE
4 mph
4 mph
0600
52°F
NE
4 mph
4 mph
0900
57°F
NE
9 mph
9 mph
1200
68°F
E
15 mph
15 mph
1500
66°F
E
16 mph
16 mph
1800
61°F
E
11 mph
11 mph
2100
55°F
SE
14 mph
14 mph
