S
M
T
W
T
F
S
27
77°
46°
28
N/A
29
73°
59°
30
82°
54°
1
64°
45°
2
61°
34°
3
66°
48°
4
68°
43°
5
77°
34°
6
82°
46°
7
72°
46°
8
66°
43°
9
75°
36°
10
93°
57°
11
64°
48°
12
61°
46°
13
52°
45°
14
52°
45°
15
55°
45°
16
52°
34°
17
N/A
18
68°
36°
19
66°
41°
20
68°
44°
21
68°
42°
22
69°
55°
23
70°
58°
24
67°
44°
25
56°
40°
26
55°
40°
27
58°
41°
28
58°
42°
29
60°
41°
30
52°
40°
31
53°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Wheaton
Wheaton's October 2026 forecast shows daily high temperatures ranging from 52° to 70°, with overnight lows between 36° and 58°. The average high for October is 62° 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 Wheaton. See also: November | December | January.
