S
M
T
W
T
F
S
27
85°
68°
28
86°
68°
29
84°
73°
30
88°
74°
1
83°
74°
2
88°
77°
3
91°
79°
4
92°
77°
5
91°
76°
6
88°
77°
7
82°
75°
8
82°
78°
9
88°
80°
10
87°
81°
11
86°
80°
12
86°
78°
13
88°
72°
14
88°
73°
15
86°
70°
16
85°
69°
17
85°
71°
18
85°
71°
19
84°
70°
20
84°
71°
21
85°
69°
22
83°
72°
23
84°
72°
24
81°
72°
25
80°
71°
26
80°
71°
27
81°
70°
28
80°
66°
29
79°
70°
30
80°
71°
31
79°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sanibel Island
Sanibel Island's October 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 66° and 81°. The average high for October is 84° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Sanibel Island. See also: November | December | January.
