S
M
T
W
T
F
S
27
N/A
28
72°
59°
29
77°
55°
30
74°
61°
1
73°
56°
2
94°
60°
3
97°
69°
4
97°
73°
5
96°
71°
6
94°
70°
7
83°
64°
8
82°
64°
9
75°
62°
10
74°
63°
11
67°
60°
12
64°
55°
13
71°
54°
14
79°
60°
15
88°
70°
16
92°
68°
17
90°
60°
18
91°
62°
19
87°
62°
20
79°
55°
21
80°
55°
22
84°
58°
23
85°
59°
24
83°
58°
25
78°
53°
26
80°
58°
27
80°
57°
28
79°
56°
29
80°
56°
30
79°
55°
31
78°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Aliso Viejo
Aliso Viejo's October 2026 forecast shows daily high temperatures ranging from 64° to 92°, with overnight lows between 53° and 70°. The average high for October is 81° with an average low of 58°. 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 Aliso Viejo. See also: November | December | January.
