S
M
T
W
T
F
S
27
83°
62°
28
80°
58°
29
80°
59°
30
81°
57°
1
83°
59°
2
84°
60°
3
82°
54°
4
79°
58°
5
81°
58°
6
84°
59°
7
86°
58°
8
86°
57°
9
85°
58°
10
85°
57°
11
86°
58°
12
85°
59°
13
84°
58°
14
81°
56°
15
76°
52°
16
75°
54°
17
76°
56°
18
75°
54°
19
73°
51°
20
73°
48°
21
77°
55°
22
77°
54°
23
81°
54°
24
79°
53°
25
77°
52°
26
77°
51°
27
76°
47°
28
71°
47°
29
74°
43°
30
73°
41°
31
70°
42°
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 70° to 86°, with overnight lows between 41° and 62°. The average high for October is 79° 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.
