29.04
wed
wed
Day
57°F
N 6 mph
Precip.
0%
0%
Night
48°F
NW 7 mph
Precip.
0%
0%
30.04
thu
thu
Day
48°F
SW 4 mph
Precip.
100%
100%
Night
45°F
SE 11 mph
Precip.
0%
0%
01.05
fri
fri
Day
55°F
E 9 mph
Precip.
0%
0%
Night
43°F
SE 9 mph
Precip.
0%
0%
02.05
sat
sat
Day
50°F
N 5 mph
Precip.
0%
0%
Night
43°F
S 5 mph
Precip.
0%
0%
03.05
sun
sun
Day
52°F
E 12 mph
Precip.
0%
0%
Night
43°F
E 6 mph
Precip.
0%
0%
04.05
mon
mon
Day
55°F
NE 14 mph
Precip.
80%
80%
Night
50°F
NE 7 mph
Precip.
0%
0%
05.05
tue
tue
Day
63°F
NE 12 mph
Precip.
0%
0%
Night
55°F
NE 13 mph
Precip.
100%
100%
sea water
temperature
temperature
| New Haven |
monthly
weather
weather
| New Haven |
current
weather
weather
| New Haven |
14 days
forecast
forecast
| New Haven |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 44.9°F. The highest and lowest sea temperatures during the month were 49.5°F and 39.6°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 54.6°F. The highest and lowest sea temperatures during the month were 57.9°F and 51.6°F.
Air temperature in New Haven, °F
Precipitation total in New Haven, in.
* Charts above show average data for the last 3 years.
Best time for vacation in New Haven
New Haven on a weather map
Places in USA:
Name
°F
24 Hours Forecast
New Haven
Local time: 08:25
April 29, wednesday
0900
52°F
N
3 mph
3 mph
1200
57°F
N
6 mph
6 mph
1500
63°F
NW
7 mph
7 mph
1800
55°F
N
7 mph
7 mph
2100
50°F
N
7 mph
7 mph
April 30, thursday
0000
48°F
NW
7 mph
7 mph
0300
46°F
NW
6 mph
6 mph
0600
46°F
NW
5 mph
5 mph
