S
M
T
W
T
F
S
29
43°
25°
30
55°
42°
31
56°
45°
1
54°
42°
2
42°
38°
3
56°
39°
4
57°
39°
5
53°
40°
6
51°
30°
7
52°
27°
8
41°
25°
9
46°
22°
10
55°
31°
11
56°
37°
12
51°
33°
13
56°
46°
14
74°
47°
15
73°
54°
16
66°
51°
17
69°
46°
18
52°
47°
19
57°
37°
20
51°
32°
21
49°
40°
22
54°
43°
23
60°
39°
24
55°
40°
25
56°
43°
26
57°
44°
27
56°
45°
28
54°
42°
29
54°
44°
30
55°
45°
1
55°
47°
2
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Hyannis
Hyannis's April 2026 forecast shows daily high temperatures ranging from 49° to 73°, with overnight lows between 32° and 54°. The average high for April is 57° with an average low of 44°. 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 Hyannis. See also: May | June | July.
