S
M
T
W
T
F
S
27
102°
69°
28
84°
73°
29
81°
68°
30
83°
62°
1
91°
63°
2
93°
71°
3
95°
73°
4
97°
74°
5
97°
75°
6
99°
77°
7
101°
69°
8
103°
68°
9
102°
79°
10
93°
75°
11
90°
67°
12
85°
65°
13
83°
56°
14
80°
56°
15
87°
63°
16
85°
68°
17
85°
64°
18
86°
64°
19
88°
66°
20
89°
65°
21
90°
65°
22
92°
67°
23
88°
65°
24
84°
55°
25
84°
57°
26
85°
58°
27
85°
58°
28
84°
57°
29
85°
59°
30
83°
57°
31
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in San Tan Valley
San Tan Valley's October 2026 forecast shows daily high temperatures ranging from 80° to 92°, with overnight lows between 55° and 68°. The average high for October is 86° with an average low of 61°. 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 San Tan Valley. See also: November | December | January.
