S
M
T
W
T
F
S
27
76°
54°
28
75°
54°
29
73°
54°
30
72°
53°
1
74°
52°
2
74°
52°
3
72°
51°
4
74°
50°
5
63°
50°
6
67°
51°
7
69°
45°
8
61°
40°
9
59°
46°
10
67°
48°
11
68°
49°
12
70°
49°
13
69°
48°
14
69°
49°
15
68°
46°
16
69°
42°
17
56°
46°
18
56°
46°
19
59°
45°
20
60°
45°
21
65°
40°
22
54°
37°
23
53°
37°
24
61°
44°
25
64°
45°
26
56°
32°
27
56°
35°
28
59°
43°
29
60°
42°
30
59°
45°
31
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Glen Ellyn
Glen Ellyn's October 2026 forecast shows daily high temperatures ranging from 53° to 76°, with overnight lows between 32° and 54°. The average high for October is 65° 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 Glen Ellyn. See also: November | December | January.
