S
M
T
W
T
F
S
29
48°
23°
30
66°
39°
31
59°
37°
1
57°
32°
2
41°
29°
3
63°
36°
4
52°
38°
5
46°
39°
6
41°
26°
7
32°
19°
8
46°
13°
9
64°
30°
10
69°
40°
11
51°
31°
12
50°
26°
13
64°
46°
14
67°
47°
15
64°
42°
16
77°
50°
17
63°
45°
18
70°
46°
19
50°
30°
20
40°
23°
21
47°
37°
22
51°
33°
23
51°
32°
24
49°
35°
25
51°
35°
26
53°
37°
27
51°
39°
28
50°
38°
29
53°
42°
30
56°
41°
1
55°
41°
2
55°
40°
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 40° to 77°, with overnight lows between 23° and 50°. The average high for April is 54° with an average low of 38°. 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.
