S
M
T
W
T
F
S
27
73°
45°
28
72°
47°
29
80°
51°
30
69°
61°
1
72°
60°
2
66°
47°
3
70°
45°
4
74°
50°
5
68°
44°
6
75°
46°
7
81°
54°
8
73°
50°
9
71°
50°
10
82°
57°
11
81°
53°
12
88°
59°
13
82°
63°
14
64°
58°
15
64°
57°
16
57°
42°
17
59°
37°
18
62°
41°
19
N/A
20
64°
50°
21
66°
54°
22
65°
54°
23
63°
51°
24
66°
50°
25
69°
50°
26
66°
47°
27
60°
45°
28
59°
44°
29
63°
48°
30
62°
48°
31
54°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Winnetka
Winnetka's October 2026 forecast shows daily high temperatures ranging from 54° to 69°, with overnight lows between 44° and 54°. The average high for October is 63° with an average low of 49°. 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.
