S
M
T
W
T
F
S
26
87°
69°
27
87°
70°
28
85°
70°
29
85°
70°
30
87°
70°
31
90°
71°
1
90°
69°
2
90°
70°
3
88°
70°
4
84°
70°
5
82°
67°
6
88°
68°
7
88°
70°
8
92°
69°
9
92°
70°
10
89°
72°
11
89°
71°
12
85°
69°
13
82°
71°
14
82°
70°
15
86°
65°
16
88°
66°
17
88°
66°
18
90°
67°
19
92°
68°
20
94°
71°
21
93°
70°
22
91°
68°
23
93°
67°
24
92°
69°
25
93°
67°
26
93°
68°
27
91°
69°
28
89°
66°
29
88°
69°
30
89°
69°
31
85°
69°
1
86°
69°
2
85°
68°
3
86°
69°
4
88°
69°
5
89°
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 65° and 71°. 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.
