S
M
T
W
T
F
S
29
73°
41°
30
86°
63°
31
86°
68°
1
72°
52°
2
81°
57°
3
84°
61°
4
77°
45°
5
61°
39°
6
66°
34°
7
59°
45°
8
79°
46°
9
81°
59°
10
66°
53°
11
79°
60°
12
73°
64°
13
84°
67°
14
86°
62°
15
81°
56°
16
77°
54°
17
71°
51°
18
70°
47°
19
76°
52°
20
74°
51°
21
75°
52°
22
69°
42°
23
67°
51°
24
74°
50°
25
72°
47°
26
65°
44°
27
67°
48°
28
70°
50°
29
73°
53°
30
73°
52°
1
74°
51°
2
66°
47°
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 65° to 86°, with overnight lows between 42° and 67°. The average high for April is 73° with an average low of 53°. 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.
