S
M
T
W
T
F
S
29
64°
52°
30
72°
54°
31
77°
57°
1
75°
59°
2
75°
61°
3
75°
64°
4
79°
64°
5
79°
66°
6
70°
61°
7
68°
59°
8
64°
57°
9
68°
52°
10
72°
57°
11
77°
54°
12
75°
55°
13
77°
57°
14
79°
61°
15
79°
64°
16
77°
66°
17
86°
64°
18
81°
69°
19
77°
56°
20
71°
58°
21
73°
62°
22
79°
61°
23
83°
60°
24
83°
63°
25
85°
64°
26
83°
63°
27
80°
64°
28
78°
60°
29
78°
61°
30
76°
60°
1
75°
59°
2
74°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Hilton Head Airport
Hilton Head Airport's April 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 56° and 69°. The average high for April is 78° with an average low of 61°. 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 Hilton Head Airport. See also: May | June | July.
