S
M
T
W
T
F
S
28
93°
74°
29
94°
74°
30
94°
74°
1
91°
75°
2
89°
72°
3
93°
73°
4
94°
73°
5
91°
70°
6
91°
72°
7
88°
72°
8
92°
72°
9
91°
73°
10
93°
74°
11
93°
75°
12
89°
74°
13
78°
72°
14
85°
71°
15
87°
70°
16
92°
73°
17
95°
75°
18
94°
76°
19
94°
73°
20
94°
74°
21
96°
75°
22
90°
75°
23
90°
74°
24
89°
76°
25
89°
75°
26
91°
76°
27
94°
78°
28
94°
77°
29
95°
77°
30
95°
78°
31
94°
77°
1
95°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Island
Island's July 2026 forecast shows daily high temperatures ranging from 78° to 96°, with overnight lows between 70° and 78°. The average high for July is 92° 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 Island. See also: August | September | October.