S
M
T
W
T
F
S
27
73°
59°
28
79°
59°
29
82°
58°
30
77°
52°
1
80°
50°
2
68°
55°
3
67°
53°
4
72°
51°
5
70°
50°
6
70°
42°
7
64°
46°
8
66°
46°
9
68°
42°
10
64°
42°
11
62°
40°
12
62°
45°
13
63°
43°
14
65°
51°
15
70°
53°
16
73°
49°
17
71°
44°
18
67°
43°
19
58°
38°
20
59°
44°
21
64°
49°
22
64°
50°
23
69°
41°
24
64°
37°
25
56°
41°
26
57°
40°
27
55°
34°
28
55°
34°
29
52°
32°
30
53°
34°
31
54°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Peoria
Peoria's October 2026 forecast shows daily high temperatures ranging from 52° to 82°, with overnight lows between 32° and 59°. The average high for October is 66° with an average low of 45°. 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 Peoria. See also: November | December | January.
