S
M
T
W
T
F
S
27
75°
52°
28
80°
48°
29
84°
49°
30
91°
65°
1
89°
65°
2
72°
52°
3
75°
46°
4
80°
43°
5
75°
45°
6
77°
45°
7
88°
51°
8
83°
45°
9
87°
49°
10
82°
54°
11
83°
46°
12
91°
59°
13
90°
63°
14
79°
67°
15
77°
54°
16
56°
45°
17
57°
35°
18
64°
34°
19
70°
38°
20
73°
43°
21
74°
42°
22
76°
46°
23
74°
47°
24
73°
47°
25
78°
49°
26
77°
49°
27
71°
52°
28
77°
51°
29
81°
52°
30
78°
55°
31
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Carlinville
Carlinville's October 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 49° and 55°. The average high for October is 76° 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 Carlinville. See also: November | December | January.