S
M
T
W
T
F
S
27
88°
79°
28
87°
78°
29
89°
77°
30
88°
79°
1
88°
80°
2
89°
80°
3
89°
79°
4
88°
78°
5
88°
80°
6
87°
79°
7
88°
77°
8
89°
80°
9
88°
79°
10
88°
79°
11
87°
78°
12
88°
79°
13
88°
79°
14
87°
78°
15
88°
79°
16
88°
78°
17
87°
78°
18
87°
77°
19
86°
77°
20
87°
76°
21
86°
77°
22
86°
78°
23
85°
77°
24
86°
75°
25
85°
74°
26
82°
76°
27
83°
77°
28
85°
77°
29
86°
76°
30
85°
76°
31
84°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Stock Island
Stock Island's October 2026 forecast shows daily high temperatures ranging from 82° to 89°, with overnight lows between 74° and 80°. The average high for October is 87° with an average low of 78°. 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 Stock Island. See also: November | December | January.
