S
M
T
W
T
F
S
26
80°
60°
27
85°
65°
28
81°
63°
29
78°
58°
30
82°
59°
31
87°
62°
1
80°
67°
2
81°
66°
3
77°
58°
4
82°
53°
5
85°
61°
6
85°
69°
7
81°
69°
8
85°
57°
9
83°
68°
10
82°
69°
11
82°
66°
12
81°
64°
13
79°
60°
14
80°
59°
15
77°
59°
16
77°
61°
17
79°
58°
18
81°
61°
19
80°
60°
20
83°
64°
21
83°
63°
22
84°
64°
23
86°
65°
24
84°
65°
25
81°
64°
26
82°
64°
27
82°
63°
28
80°
63°
29
81°
62°
30
80°
63°
31
81°
62°
1
83°
61°
2
76°
58°
3
75°
58°
4
76°
60°
5
80°
60°
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 75° to 86°, with overnight lows between 57° and 69°. The average high for August is 81° with an average low of 63°. 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.
