S
M
T
W
T
F
S
27
81°
57°
28
88°
50°
29
96°
63°
30
94°
62°
1
96°
64°
2
97°
62°
3
99°
66°
4
100°
62°
5
98°
63°
6
99°
62°
7
97°
64°
8
96°
64°
9
95°
61°
10
94°
63°
11
93°
62°
12
82°
49°
13
85°
54°
14
85°
53°
15
73°
48°
16
73°
43°
17
74°
46°
18
73°
49°
19
71°
51°
20
71°
51°
21
72°
48°
22
76°
50°
23
74°
49°
24
71°
50°
25
73°
49°
26
74°
49°
27
71°
48°
28
69°
48°
29
67°
44°
30
67°
39°
31
68°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Chico
Chico's October 2026 forecast shows daily high temperatures ranging from 67° to 100°, with overnight lows between 39° and 66°. The average high for October is 83° with an average low of 54°. 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 Chico. See also: November | December | January.