S
M
T
W
T
F
S
26
82°
64°
27
83°
60°
28
81°
67°
29
81°
64°
30
83°
60°
31
88°
64°
1
89°
72°
2
87°
74°
3
85°
71°
4
85°
70°
5
84°
70°
6
85°
69°
7
83°
64°
8
87°
69°
9
89°
72°
10
83°
71°
11
80°
67°
12
75°
62°
13
70°
60°
14
72°
59°
15
76°
61°
16
80°
66°
17
82°
68°
18
82°
62°
19
86°
69°
20
86°
70°
21
85°
71°
22
85°
66°
23
85°
71°
24
86°
69°
25
88°
68°
26
88°
69°
27
87°
70°
28
85°
66°
29
84°
63°
30
85°
59°
31
80°
56°
1
85°
60°
2
85°
60°
3
84°
61°
4
81°
58°
5
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Crestline
Crestline's August 2026 forecast shows daily high temperatures ranging from 80° to 88°, with overnight lows between 56° and 70°. The average high for August is 85° with an average low of 62°. 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 Crestline. See also: September | October | November.
