S
M
T
W
T
F
S
26
90°
69°
27
89°
69°
28
89°
69°
29
88°
68°
30
87°
66°
31
85°
66°
1
88°
67°
2
88°
65°
3
89°
66°
4
90°
69°
5
90°
69°
6
91°
68°
7
90°
69°
8
89°
68°
9
90°
69°
10
90°
69°
11
89°
70°
12
90°
70°
13
90°
69°
14
90°
69°
15
89°
68°
16
90°
70°
17
91°
69°
18
91°
70°
19
92°
70°
20
92°
69°
21
91°
70°
22
92°
70°
23
91°
68°
24
91°
70°
25
93°
69°
26
93°
68°
27
92°
67°
28
93°
70°
29
92°
69°
30
93°
69°
31
93°
68°
1
92°
69°
2
93°
69°
3
93°
71°
4
91°
68°
5
93°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Yorba Linda
Yorba Linda's August 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 65° and 71°. The average high for August is 91° with an average low of 69°. 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 Yorba Linda. See also: September | October | November.
