S
M
T
W
T
F
S
27
74°
45°
28
75°
48°
29
76°
57°
30
80°
64°
1
75°
59°
2
70°
53°
3
68°
57°
4
67°
49°
5
64°
42°
6
66°
44°
7
66°
45°
8
66°
47°
9
69°
48°
10
64°
49°
11
62°
46°
12
73°
51°
13
69°
42°
14
60°
40°
15
60°
44°
16
65°
47°
17
70°
50°
18
70°
50°
19
69°
49°
20
68°
49°
21
69°
44°
22
57°
40°
23
58°
44°
24
64°
47°
25
67°
48°
26
67°
44°
27
57°
40°
28
59°
46°
29
66°
48°
30
64°
48°
31
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Champaign
Champaign's October 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 40° and 64°. The average high for October is 67° with an average low of 48°. 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 Champaign. See also: November | December | January.
