S
M
T
W
T
F
S
29
82°
44°
30
84°
61°
31
87°
58°
1
86°
61°
2
85°
68°
3
88°
69°
4
80°
64°
5
69°
56°
6
73°
45°
7
78°
40°
8
81°
48°
9
82°
50°
10
84°
53°
11
85°
57°
12
84°
54°
13
86°
65°
14
86°
62°
15
86°
61°
16
87°
63°
17
86°
63°
18
83°
52°
19
74°
46°
20
77°
50°
21
76°
56°
22
83°
58°
23
83°
61°
24
84°
62°
25
83°
59°
26
80°
56°
27
78°
54°
28
78°
57°
29
77°
60°
30
83°
60°
1
84°
61°
2
84°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Big Island
Big Island's April 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 46° and 63°. The average high for April is 81° with an average low of 57°. 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 Big Island. See also: May | June | July.
