26.04
sun
sun
Day
55°F
W 6 mph
Precip.
0%
0%
Night
43°F
W 1 mph
Precip.
0%
0%
27.04
mon
mon
Day
57°F
SW 9 mph
Precip.
0%
0%
Night
45°F
SW 4 mph
Precip.
0%
0%
28.04
tue
tue
Day
52°F
SW 9 mph
Precip.
0%
0%
Night
43°F
SW 7 mph
Precip.
0%
0%
29.04
wed
wed
Day
55°F
SW 8 mph
Precip.
0%
0%
Night
50°F
NW 6 mph
Precip.
100%
100%
30.04
thu
thu
Day
54°F
NE 3 mph
Precip.
100%
100%
Night
50°F
S 5 mph
Precip.
100%
100%
01.05
fri
fri
Day
46°F
SE 12 mph
Precip.
100%
100%
Night
46°F
E 9 mph
Precip.
0%
0%
02.05
sat
sat
Day
54°F
NE 9 mph
Precip.
100%
100%
Night
45°F
NE 6 mph
Precip.
46%
46%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 44.2°F. The highest and lowest sea temperatures during the month were 46.9°F and 41.0°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 53.0°F. The highest and lowest sea temperatures during the month were 56.8°F and 48.4°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: 17:10
April 26, sunday
1800
59°F
W
6 mph
6 mph
2100
48°F
NW
4 mph
4 mph
April 27, monday
0000
43°F
W
1 mph
1 mph
0300
39°F
S
4 mph
4 mph
0600
41°F
S
5 mph
5 mph
0900
52°F
SW
7 mph
7 mph
1200
57°F
SW
9 mph
9 mph
1500
57°F
W
11 mph
11 mph
