S
M
T
W
T
F
S
27
N/A
28
75°
54°
29
86°
64°
30
82°
64°
1
86°
66°
2
90°
72°
3
91°
72°
4
90°
73°
5
90°
72°
6
90°
73°
7
90°
72°
8
88°
72°
9
86°
68°
10
68°
54°
11
63°
50°
12
59°
45°
13
68°
46°
14
72°
54°
15
84°
64°
16
86°
64°
17
81°
64°
18
77°
59°
19
70°
52°
20
68°
48°
21
66°
54°
22
55°
48°
23
59°
48°
24
71°
48°
25
69°
48°
26
66°
44°
27
63°
44°
28
65°
48°
29
61°
46°
30
59°
42°
31
57°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Chicago Park
Chicago Park's October 2026 forecast shows daily high temperatures ranging from 57° to 71°, with overnight lows between 42° and 48°. The average high for October is 64° with an average low of 46°. 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 Chicago Park. See also: November | December | January.
