S
M
T
W
T
F
S
27
75°
44°
28
71°
44°
29
71°
43°
30
70°
43°
1
73°
42°
2
72°
43°
3
68°
41°
4
70°
41°
5
71°
40°
6
72°
41°
7
72°
40°
8
71°
40°
9
72°
39°
10
72°
40°
11
71°
41°
12
71°
40°
13
70°
39°
14
68°
38°
15
64°
37°
16
64°
37°
17
63°
36°
18
64°
36°
19
62°
35°
20
64°
35°
21
65°
36°
22
65°
35°
23
64°
36°
24
64°
35°
25
63°
35°
26
64°
34°
27
61°
23°
28
58°
28°
29
57°
25°
30
55°
19°
31
52°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Flagstaff
Flagstaff's October 2026 forecast shows daily high temperatures ranging from 52° to 75°, with overnight lows between 19° and 44°. The average high for October is 67° with an average low of 37°. 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 Flagstaff. See also: November | December | January.
