S
M
T
W
T
F
S
27
73°
55°
28
74°
54°
29
71°
47°
30
73°
55°
1
74°
53°
2
67°
52°
3
64°
52°
4
67°
51°
5
67°
51°
6
70°
50°
7
64°
46°
8
61°
40°
9
58°
38°
10
58°
39°
11
59°
42°
12
65°
48°
13
68°
47°
14
67°
48°
15
68°
47°
16
60°
45°
17
56°
36°
18
54°
34°
19
54°
38°
20
56°
45°
21
63°
46°
22
61°
44°
23
54°
44°
24
58°
43°
25
62°
44°
26
61°
43°
27
54°
36°
28
50°
35°
29
56°
41°
30
55°
29°
31
51°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Wheaton
Wheaton's October 2026 forecast shows daily high temperatures ranging from 50° to 74°, with overnight lows between 29° and 55°. The average high for October is 62° with an average low of 44°. 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 Wheaton. See also: November | December | January.
