S
M
T
W
T
F
S
26
86°
68°
27
88°
68°
28
90°
69°
29
90°
70°
30
89°
70°
31
90°
69°
1
89°
70°
2
89°
68°
3
90°
68°
4
90°
69°
5
89°
69°
6
89°
68°
7
85°
68°
8
85°
70°
9
89°
67°
10
90°
68°
11
91°
68°
12
90°
65°
13
89°
63°
14
87°
64°
15
86°
69°
16
89°
69°
17
91°
70°
18
93°
69°
19
94°
68°
20
93°
66°
21
93°
64°
22
91°
65°
23
89°
64°
24
88°
65°
25
88°
67°
26
90°
69°
27
92°
69°
28
92°
68°
29
93°
67°
30
92°
66°
31
91°
68°
1
92°
69°
2
92°
70°
3
91°
69°
4
92°
69°
5
91°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Placentia
Placentia's August 2026 forecast shows daily high temperatures ranging from 85° to 94°, with overnight lows between 63° and 70°. The average high for August is 90° with an average low of 68°. 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 Placentia. See also: September | October | November.
