S
M
T
W
T
F
S
28
95°
77°
29
93°
81°
30
88°
79°
1
86°
77°
2
88°
72°
3
88°
73°
4
90°
73°
5
95°
79°
6
93°
81°
7
91°
81°
8
93°
81°
9
95°
73°
10
91°
77°
11
99°
79°
12
95°
73°
13
86°
75°
14
84°
77°
15
88°
79°
16
91°
77°
17
90°
79°
18
90°
82°
19
91°
79°
20
90°
82°
21
91°
84°
22
91°
82°
23
91°
81°
24
91°
79°
25
91°
77°
26
88°
75°
27
88°
78°
28
95°
80°
29
96°
76°
30
91°
75°
31
90°
75°
1
89°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Hilton Head Island
Hilton Head Island's July 2026 forecast shows daily high temperatures ranging from 88° to 96°, with overnight lows between 74° and 80°. The average high for July is 91° with an average low of 76°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Hilton Head Island. See also: August | September | October.
