S
M
T
W
T
F
S
27
62°
44°
28
68°
44°
29
77°
47°
30
79°
50°
1
66°
49°
2
80°
44°
3
67°
52°
4
74°
45°
5
88°
49°
6
80°
51°
7
75°
45°
8
80°
44°
9
85°
50°
10
68°
41°
11
42°
32°
12
42°
32°
13
54°
33°
14
61°
32°
15
55°
38°
16
64°
30°
17
75°
48°
18
63°
44°
19
65°
38°
20
64°
40°
21
67°
39°
22
73°
44°
23
68°
36°
24
51°
32°
25
47°
29°
26
50°
28°
27
58°
38°
28
57°
34°
29
57°
30°
30
46°
32°
31
59°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Joliet
Joliet's October 2026 forecast shows daily high temperatures ranging from 46° to 59°, with overnight lows between 30° and 38°. The average high for October is 54° with an average low of 33°. 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 Joliet. See also: November | December | January.
