S
M
T
W
T
F
S
29
85°
39°
30
88°
35°
31
55°
39°
1
49°
36°
2
68°
36°
3
60°
32°
4
58°
28°
5
69°
22°
6
55°
34°
7
55°
27°
8
63°
37°
9
69°
29°
10
58°
43°
11
76°
50°
12
80°
48°
13
77°
42°
14
62°
39°
15
72°
40°
16
63°
26°
17
55°
33°
18
61°
38°
19
69°
38°
20
63°
38°
21
66°
37°
22
60°
34°
23
63°
39°
24
55°
38°
25
55°
40°
26
58°
42°
27
58°
42°
28
62°
43°
29
57°
42°
30
56°
40°
1
57°
38°
2
57°
37°
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 55° to 80°, with overnight lows between 26° and 50°. The average high for April is 63° with an average low of 39°. 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.
