S
M
T
W
T
F
S
27
96°
78°
28
83°
70°
29
82°
66°
30
85°
67°
1
94°
71°
2
98°
74°
3
97°
77°
4
100°
76°
5
98°
76°
6
98°
77°
7
100°
76°
8
102°
77°
9
102°
78°
10
97°
75°
11
87°
73°
12
83°
67°
13
78°
65°
14
77°
59°
15
89°
62°
16
88°
71°
17
82°
68°
18
83°
66°
19
88°
63°
20
91°
69°
21
90°
75°
22
88°
69°
23
81°
60°
24
90°
60°
25
81°
56°
26
85°
58°
27
85°
58°
28
86°
60°
29
86°
62°
30
73°
60°
31
77°
61°
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 73° to 86°, with overnight lows between 58° and 62°. The average high for October is 81° with an average low of 60°. 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.
