S
M
T
W
T
F
S
27
98°
75°
28
82°
68°
29
81°
68°
30
82°
63°
1
90°
65°
2
91°
73°
3
93°
73°
4
96°
74°
5
96°
75°
6
97°
74°
7
99°
72°
8
100°
73°
9
100°
76°
10
92°
71°
11
87°
70°
12
82°
67°
13
78°
65°
14
75°
54°
15
86°
54°
16
84°
70°
17
82°
64°
18
85°
67°
19
86°
63°
20
90°
78°
21
93°
71°
22
86°
66°
23
79°
56°
24
78°
56°
25
80°
51°
26
84°
51°
27
86°
54°
28
87°
56°
29
86°
59°
30
76°
58°
31
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Casa Grande
Casa Grande's October 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 51° and 59°. The average high for October is 82° with an average low of 55°. 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 Casa Grande. See also: November | December | January.
