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°
50°
16
67°
47°
17
59°
45°
18
49°
44°
19
54°
38°
20
51°
29°
21
46°
37°
22
47°
40°
23
60°
35°
24
51°
35°
25
50°
39°
26
54°
39°
27
58°
41°
28
57°
46°
29
56°
50°
30
57°
46°
1
58°
47°
2
55°
45°
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 50° to 58°, with overnight lows between 35° and 50°. The average high for April is 55° 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 Hyannis. See also: May | June | July.
