S
M
T
W
T
F
S
27
69°
53°
28
69°
54°
29
72°
53°
30
72°
42°
1
71°
40°
2
64°
39°
3
62°
38°
4
61°
39°
5
61°
38°
6
62°
41°
7
63°
46°
8
66°
44°
9
69°
40°
10
62°
38°
11
60°
39°
12
62°
45°
13
61°
46°
14
59°
47°
15
Hist. Avg.
63°
46°
16
Hist. Avg.
63°
45°
17
Hist. Avg.
62°
45°
18
Hist. Avg.
62°
45°
19
Hist. Avg.
61°
44°
20
Hist. Avg.
61°
44°
21
Hist. Avg.
60°
44°
22
Hist. Avg.
60°
43°
23
Hist. Avg.
60°
43°
24
Hist. Avg.
59°
43°
25
Hist. Avg.
59°
42°
26
Hist. Avg.
58°
42°
27
Hist. Avg.
58°
42°
28
Hist. Avg.
57°
41°
29
Hist. Avg.
57°
41°
30
Hist. Avg.
56°
40°
31
Hist. Avg.
56°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Glen Ellyn
Glen Ellyn's October 2026 forecast shows daily high temperatures ranging from 59° to 72°, with overnight lows between 38° and 54°. The average high for October is 65° with an average low of 43°. 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 Glen Ellyn. See also: November | December | January.
