S
M
T
W
T
F
S
26
83°
60°
27
85°
56°
28
81°
59°
29
85°
55°
30
85°
54°
31
89°
57°
1
90°
56°
2
90°
62°
3
90°
58°
4
89°
60°
5
87°
57°
6
86°
55°
7
86°
58°
8
88°
53°
9
87°
55°
10
82°
59°
11
82°
55°
12
77°
55°
13
73°
54°
14
73°
51°
15
79°
45°
16
53°
47°
17
88°
47°
18
89°
54°
19
85°
58°
20
85°
56°
21
81°
52°
22
80°
50°
23
80°
51°
24
78°
49°
25
79°
50°
26
81°
51°
27
80°
51°
28
80°
52°
29
79°
52°
30
76°
53°
31
77°
51°
1
71°
46°
2
78°
52°
3
80°
52°
4
81°
52°
5
81°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Flagstaff Pulliam International Airport
Flagstaff Pulliam International Airport's August 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 46° and 58°. The average high for August is 80° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Flagstaff Pulliam International Airport. See also: September | October | November.
