S
M
T
W
T
F
S
27
86°
71°
28
81°
67°
29
83°
62°
30
83°
64°
1
85°
63°
2
103°
64°
3
103°
75°
4
100°
77°
5
104°
77°
6
101°
70°
7
98°
68°
8
96°
66°
9
91°
68°
10
89°
66°
11
84°
65°
12
79°
63°
13
86°
62°
14
87°
63°
15
88°
62°
16
91°
65°
17
93°
63°
18
93°
64°
19
83°
59°
20
86°
62°
21
85°
63°
22
86°
62°
23
85°
62°
24
85°
61°
25
86°
62°
26
85°
62°
27
81°
56°
28
75°
54°
29
75°
53°
30
76°
54°
31
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Placentia
Placentia's October 2026 forecast shows daily high temperatures ranging from 75° to 101°, with overnight lows between 53° and 70°. The average high for October is 86° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Placentia. See also: November | December | January.
