S
M
T
W
T
F
S
26
90°
68°
27
92°
68°
28
92°
67°
29
87°
66°
30
90°
67°
31
91°
65°
1
92°
65°
2
90°
65°
3
89°
64°
4
90°
63°
5
89°
64°
6
89°
65°
7
90°
68°
8
92°
69°
9
92°
69°
10
93°
68°
11
92°
67°
12
92°
65°
13
90°
64°
14
88°
61°
15
86°
62°
16
86°
64°
17
87°
65°
18
88°
68°
19
89°
70°
20
92°
70°
21
93°
69°
22
93°
66°
23
92°
67°
24
91°
65°
25
90°
64°
26
87°
62°
27
85°
60°
28
85°
61°
29
86°
62°
30
87°
65°
31
89°
67°
1
91°
67°
2
91°
68°
3
90°
68°
4
91°
67°
5
91°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in La Cañada Flintridge
La Cañada Flintridge's August 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 60° and 70°. The average high for August is 90° with an average low of 66°. 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 La Cañada Flintridge. See also: September | October | November.