S
M
T
W
T
F
S
29
52°
26°
30
67°
36°
31
67°
52°
1
53°
35°
2
43°
34°
3
77°
40°
4
64°
38°
5
63°
34°
6
41°
31°
7
33°
19°
8
49°
15°
9
67°
38°
10
66°
36°
11
47°
31°
12
54°
51°
13
67°
50°
14
71°
57°
15
74°
58°
16
64°
51°
17
71°
41°
18
56°
38°
19
55°
35°
20
58°
40°
21
63°
47°
22
68°
52°
23
66°
35°
24
54°
43°
25
54°
44°
26
56°
41°
27
53°
39°
28
55°
37°
29
56°
39°
30
61°
45°
1
59°
46°
2
65°
42°
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 47° to 74°, with overnight lows between 31° and 58°. The average high for April is 61° with an average low of 43°. 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.
