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