S
M
T
W
T
F
S
27
90°
68°
28
84°
63°
29
93°
63°
30
89°
63°
1
94°
64°
2
102°
64°
3
103°
70°
4
101°
70°
5
102°
72°
6
102°
72°
7
102°
70°
8
99°
71°
9
93°
67°
10
86°
67°
11
74°
60°
12
67°
55°
13
78°
50°
14
85°
60°
15
91°
69°
16
93°
69°
17
93°
62°
18
92°
61°
19
88°
60°
20
77°
55°
21
77°
56°
22
80°
55°
23
78°
58°
24
82°
57°
25
84°
58°
26
81°
56°
27
80°
53°
28
82°
58°
29
81°
57°
30
83°
57°
31
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Porter Ranch
Porter Ranch's October 2026 forecast shows daily high temperatures ranging from 77° to 93°, with overnight lows between 53° and 69°. The average high for October is 84° with an average low of 59°. 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 Porter Ranch. See also: November | December | January.