S
M
T
W
T
F
S
27
90°
65°
28
76°
65°
29
78°
60°
30
75°
55°
1
79°
55°
2
79°
59°
3
80°
56°
4
81°
58°
5
82°
60°
6
86°
60°
7
89°
65°
8
89°
63°
9
87°
64°
10
86°
62°
11
77°
63°
12
76°
63°
13
77°
61°
14
77°
53°
15
79°
49°
16
69°
52°
17
71°
49°
18
80°
51°
19
81°
55°
20
84°
59°
21
85°
65°
22
85°
62°
23
79°
55°
24
85°
53°
25
77°
49°
26
79°
51°
27
80°
51°
28
81°
49°
29
80°
52°
30
71°
52°
31
74°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sierra Vista Southeast
Sierra Vista Southeast's October 2026 forecast shows daily high temperatures ranging from 71° to 80°, with overnight lows between 52° and 58°. The average high for October is 75° 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 Sierra Vista Southeast. See also: November | December | January.
