S
M
T
W
T
F
S
26
89°
73°
27
93°
74°
28
93°
73°
29
90°
74°
30
90°
75°
31
89°
75°
1
89°
74°
2
90°
75°
3
89°
75°
4
89°
73°
5
90°
75°
6
93°
73°
7
93°
74°
8
92°
73°
9
89°
74°
10
91°
73°
11
89°
75°
12
90°
74°
13
89°
75°
14
90°
74°
15
89°
74°
16
89°
75°
17
90°
75°
18
89°
74°
19
89°
75°
20
90°
75°
21
89°
74°
22
89°
75°
23
92°
77°
24
94°
76°
25
93°
77°
26
93°
74°
27
92°
74°
28
92°
75°
29
91°
73°
30
92°
74°
31
91°
75°
1
90°
74°
2
90°
74°
3
89°
73°
4
89°
73°
5
90°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Crestview
Crestview's August 2026 forecast shows daily high temperatures ranging from 89° to 94°, with overnight lows between 73° and 77°. The average high for August is 90° with an average low of 74°. 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 Crestview. See also: September | October | November.