S
M
T
W
T
F
S
27
67°
43°
28
71°
43°
29
73°
42°
30
71°
42°
1
71°
41°
2
72°
43°
3
72°
42°
4
71°
42°
5
72°
41°
6
72°
41°
7
71°
40°
8
71°
41°
9
70°
40°
10
71°
39°
11
70°
40°
12
64°
36°
13
64°
34°
14
65°
29°
15
62°
25°
16
60°
24°
17
55°
25°
18
58°
28°
19
61°
29°
20
65°
35°
21
64°
31°
22
57°
28°
23
65°
30°
24
64°
32°
25
61°
23°
26
56°
23°
27
53°
20°
28
59°
24°
29
58°
20°
30
53°
27°
31
60°
29°
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 53° to 73°, with overnight lows between 20° and 43°. The average high for October is 65° with an average low of 33°. 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.
