27.12
sat
sat
Day
19°F
S 10 mph
Precip.
0%
0%
Night
16°F
E 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
28°F
E 4 mph
Precip.
0%
0%
Night
34°F
NE 6 mph
Precip.
100%
100%
29.12
mon
mon
Day
45°F
N 7 mph
Precip.
0%
0%
Night
34°F
E 16 mph
Precip.
0%
0%
30.12
tue
tue
Day
28°F
E 17 mph
Precip.
0%
0%
Night
27°F
E 14 mph
Precip.
0%
0%
31.12
wed
wed
Day
30°F
NE 12 mph
Precip.
0%
0%
Night
30°F
NE 13 mph
Precip.
0%
0%
01.01
thu
thu
Day
28°F
E 3 mph
Precip.
100%
100%
Night
30°F
NE 1 mph
Precip.
100%
100%
02.01
fri
fri
Day
28°F
SE 10 mph
Precip.
100%
100%
Night
19°F
SE 12 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 42.9°F. The highest and lowest sea temperatures during the month were 44.4°F and 40.8°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 38.2°F. The highest and lowest sea temperatures during the month were 40.5°F and 35.2°F.
Air temperature in Boston, °F
Precipitation total in Boston, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Boston
Boston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Boston
Local time: 22:32
December 28, sunday
0000
16°F
E
4 mph
4 mph
0300
14°F
E
4 mph
4 mph
0600
14°F
E
5 mph
5 mph
0900
19°F
E
4 mph
4 mph
1200
28°F
E
4 mph
4 mph
1500
34°F
NE
4 mph
4 mph
1800
34°F
N
5 mph
5 mph
2100
32°F
NE
7 mph
7 mph
