S
M
T
W
T
F
S
27
72°
49°
28
73°
52°
29
78°
54°
30
70°
60°
1
70°
61°
2
67°
52°
3
69°
48°
4
71°
47°
5
67°
49°
6
71°
56°
7
76°
50°
8
71°
52°
9
69°
54°
10
70°
57°
11
72°
58°
12
73°
53°
13
67°
49°
14
62°
51°
15
65°
47°
16
63°
48°
17
62°
44°
18
67°
50°
19
59°
44°
20
59°
48°
21
55°
47°
22
59°
45°
23
62°
43°
24
53°
40°
25
52°
39°
26
51°
40°
27
52°
39°
28
59°
48°
29
62°
48°
30
61°
49°
31
62°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Des Plaines
Des Plaines's October 2026 forecast shows daily high temperatures ranging from 51° to 76°, with overnight lows between 39° and 58°. The average high for October is 63° with an average low of 48°. 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 Des Plaines. See also: November | December | January.
