S
M
T
W
T
F
S
27
75°
56°
28
81°
53°
29
83°
48°
30
92°
64°
1
91°
67°
2
74°
55°
3
77°
48°
4
82°
45°
5
77°
46°
6
77°
42°
7
88°
49°
8
84°
47°
9
88°
48°
10
82°
53°
11
85°
47°
12
92°
60°
13
92°
65°
14
80°
67°
15
81°
56°
16
58°
49°
17
59°
39°
18
65°
36°
19
71°
38°
20
74°
46°
21
75°
43°
22
77°
44°
23
75°
46°
24
75°
45°
25
80°
50°
26
76°
49°
27
72°
49°
28
78°
51°
29
85°
52°
30
79°
54°
31
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Edwardsville
Edwardsville's October 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 49° and 56°. The average high for October is 77° with an average low of 52°. 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 Edwardsville. See also: November | December | January.
