S
M
T
W
T
F
S
26
91°
64°
27
91°
64°
28
90°
63°
29
91°
64°
30
92°
64°
31
91°
63°
1
90°
63°
2
91°
64°
3
91°
64°
4
90°
63°
5
90°
64°
6
89°
64°
7
91°
63°
8
91°
64°
9
90°
64°
10
91°
63°
11
90°
60°
12
85°
57°
13
84°
57°
14
85°
58°
15
89°
62°
16
90°
62°
17
89°
58°
18
87°
56°
19
87°
61°
20
86°
62°
21
90°
61°
22
89°
60°
23
89°
59°
24
90°
57°
25
87°
57°
26
87°
56°
27
88°
56°
28
86°
57°
29
86°
56°
30
87°
56°
31
87°
57°
1
86°
55°
2
85°
55°
3
85°
56°
4
86°
55°
5
85°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Trabuco Canyon
Trabuco Canyon's August 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 55° and 64°. The average high for August is 88° with an average low of 60°. 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 Trabuco Canyon. See also: September | October | November.
