S
M
T
W
T
F
S
27
77°
58°
28
80°
57°
29
81°
57°
30
79°
46°
1
77°
43°
2
66°
43°
3
64°
45°
4
67°
53°
5
66°
45°
6
66°
39°
7
67°
45°
8
63°
52°
9
64°
51°
10
73°
43°
11
72°
41°
12
60°
40°
13
59°
39°
14
59°
44°
15
61°
45°
16
64°
46°
17
69°
48°
18
70°
49°
19
70°
49°
20
71°
48°
21
69°
51°
22
71°
49°
23
70°
47°
24
67°
47°
25
69°
39°
26
69°
36°
27
56°
39°
28
61°
45°
29
62°
40°
30
64°
34°
31
53°
33°
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 53° to 81°, with overnight lows between 33° and 58°. The average high for October is 67° 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.
