S
M
T
W
T
F
S
29
48°
22°
30
63°
38°
31
68°
47°
1
67°
49°
2
49°
39°
3
53°
39°
4
68°
40°
5
52°
41°
6
50°
37°
7
53°
32°
8
44°
27°
9
47°
36°
10
57°
46°
11
62°
39°
12
55°
47°
13
68°
55°
14
78°
57°
15
76°
53°
16
67°
52°
17
65°
49°
18
66°
47°
19
60°
49°
20
62°
48°
21
63°
50°
22
62°
43°
23
55°
40°
24
56°
46°
25
56°
45°
26
55°
44°
27
56°
44°
28
57°
43°
29
56°
42°
30
57°
41°
1
58°
49°
2
67°
49°
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 78°, with overnight lows between 36° and 57°. The average high for April is 61° with an average low of 46°. 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.
