S
M
T
W
T
F
S
29
69°
27°
30
74°
54°
31
83°
63°
1
81°
63°
2
82°
55°
3
78°
62°
4
85°
58°
5
65°
39°
6
63°
33°
7
52°
34°
8
69°
30°
9
77°
46°
10
81°
49°
11
69°
42°
12
86°
62°
13
76°
57°
14
83°
62°
15
87°
61°
16
82°
57°
17
79°
48°
18
71°
44°
19
72°
48°
20
71°
50°
21
75°
56°
22
81°
57°
23
77°
42°
24
74°
50°
25
71°
48°
26
69°
43°
27
63°
40°
28
63°
43°
29
71°
48°
30
71°
51°
1
70°
51°
2
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in New Haven
New Haven's April 2026 forecast shows daily high temperatures ranging from 63° to 87°, with overnight lows between 40° and 62°. The average high for April is 74° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in New Haven. See also: May | June | July.
