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
43°
24°
9
47°
37°
10
52°
45°
11
57°
37°
12
54°
42°
13
56°
53°
14
67°
51°
15
59°
44°
16
49°
42°
17
53°
43°
18
56°
45°
19
59°
44°
20
60°
47°
21
63°
40°
22
56°
42°
23
53°
41°
24
54°
45°
25
55°
44°
26
53°
43°
27
53°
45°
28
55°
43°
29
54°
42°
30
55°
43°
1
56°
48°
2
63°
47°
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 43° to 67°, with overnight lows between 24° and 53°. 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.
