S
M
T
W
T
F
S
29
99°
65°
30
99°
66°
31
99°
66°
1
98°
67°
2
98°
69°
3
98°
68°
4
96°
68°
5
100°
72°
6
101°
68°
7
96°
69°
8
98°
70°
9
100°
68°
10
97°
68°
11
100°
68°
12
100°
67°
13
100°
66°
14
100°
66°
15
100°
66°
16
93°
66°
17
101°
66°
18
100°
66°
19
100°
67°
20
101°
67°
21
100°
68°
22
100°
70°
23
99°
70°
24
101°
69°
25
101°
70°
26
N/A
27
90°
73°
28
89°
74°
29
90°
74°
30
87°
75°
1
91°
74°
2
87°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Kapai
Kapai's April 2026 forecast shows daily high temperatures ranging from 87° to 91°, with overnight lows between 73° and 75°. The average high for April is 89° with an average low of 74°. 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 Kapai. See also: May | June | July.