S
M
T
W
T
F
S
27
90°
68°
28
84°
63°
29
93°
63°
30
89°
63°
1
94°
64°
2
102°
64°
3
103°
70°
4
101°
70°
5
102°
72°
6
102°
72°
7
102°
70°
8
99°
71°
9
93°
67°
10
86°
67°
11
74°
60°
12
67°
55°
13
78°
50°
14
85°
59°
15
91°
58°
16
94°
78°
17
91°
71°
18
87°
61°
19
86°
60°
20
82°
60°
21
71°
57°
22
71°
56°
23
79°
57°
24
84°
58°
25
83°
58°
26
85°
57°
27
78°
57°
28
76°
57°
29
76°
58°
30
77°
56°
31
83°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Winnetka
Winnetka's October 2026 forecast shows daily high temperatures ranging from 71° to 87°, with overnight lows between 56° and 61°. The average high for October is 80° with an average low of 58°. 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 Winnetka. See also: November | December | January.
