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