S
M
T
W
T
F
S
28
95°
77°
29
93°
81°
30
88°
79°
1
86°
77°
2
90°
72°
3
91°
75°
4
92°
77°
5
90°
78°
6
94°
79°
7
93°
77°
8
93°
76°
9
91°
74°
10
94°
75°
11
89°
74°
12
90°
75°
13
88°
74°
14
88°
73°
15
87°
74°
16
86°
74°
17
90°
75°
18
87°
74°
19
87°
74°
20
88°
73°
21
88°
76°
22
90°
76°
23
87°
75°
24
91°
76°
25
91°
76°
26
90°
75°
27
89°
76°
28
90°
75°
29
88°
76°
30
87°
77°
31
89°
77°
1
90°
76°
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 86° to 94°, with overnight lows between 72° and 79°. The average high for July is 90° with an average low of 75°. 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.
