S
M
T
W
T
F
S
27
71°
49°
28
72°
46°
29
75°
49°
30
64°
55°
1
64°
54°
2
59°
38°
3
59°
37°
4
61°
40°
5
50°
31°
6
56°
28°
7
69°
46°
8
58°
38°
9
55°
34°
10
63°
33°
11
69°
49°
12
57°
42°
13
47°
41°
14
48°
32°
15
52°
28°
16
43°
29°
17
44°
22°
18
60°
34°
19
67°
42°
20
59°
34°
21
61°
33°
22
55°
39°
23
56°
35°
24
58°
33°
25
58°
40°
26
47°
28°
27
43°
20°
28
60°
36°
29
64°
41°
30
48°
32°
31
49°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in St.-Charles
St.-Charles's October 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for October is ° with an average low of °. 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 St.-Charles. See also: November | December | January.
