S
M
T
W
T
F
S
31
79°
73°
1
82°
72°
2
77°
72°
3
77°
64°
4
82°
61°
5
82°
63°
6
82°
66°
7
84°
70°
8
84°
72°
9
86°
70°
10
86°
72°
11
86°
75°
12
93°
77°
13
95°
77°
14
90°
73°
15
91°
75°
16
84°
75°
17
86°
77°
18
88°
73°
19
81°
75°
20
88°
73°
21
88°
76°
22
91°
77°
23
93°
76°
24
87°
73°
25
88°
72°
26
88°
73°
27
87°
72°
28
92°
73°
29
91°
74°
30
89°
75°
1
88°
73°
2
87°
74°
3
86°
73°
4
88°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Hilton Head Island
Hilton Head Island's June 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 72° and 77°. The average high for June 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 June weather will actually feel in Hilton Head Island. See also: July | August | September.