S
M
T
W
T
F
S
29
78°
67°
30
80°
67°
31
79°
69°
1
81°
63°
2
77°
69°
3
80°
66°
4
81°
65°
5
82°
65°
6
82°
68°
7
81°
68°
8
78°
68°
9
78°
71°
10
75°
72°
11
81°
71°
12
80°
70°
13
79°
68°
14
83°
73°
15
82°
73°
16
85°
72°
17
85°
73°
18
83°
73°
19
86°
73°
20
85°
67°
21
85°
67°
22
86°
69°
23
85°
67°
24
84°
67°
25
83°
71°
26
83°
70°
27
84°
71°
28
83°
70°
29
83°
70°
30
84°
71°
1
86°
72°
2
84°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Waimalu
Waimalu's April 2026 forecast shows daily high temperatures ranging from 83° to 86°, with overnight lows between 67° and 72°. The average high for April is 84° with an average low of 69°. 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 Waimalu. See also: May | June | July.