S
M
T
W
T
F
S
27
68°
55°
28
72°
52°
29
81°
54°
30
81°
57°
1
77°
57°
2
79°
61°
3
91°
61°
4
90°
64°
5
84°
64°
6
84°
63°
7
82°
61°
8
81°
59°
9
72°
61°
10
70°
52°
11
70°
50°
12
68°
50°
13
75°
52°
14
81°
49°
15
89°
55°
16
92°
57°
17
90°
55°
18
77°
53°
19
71°
56°
20
71°
54°
21
72°
54°
22
74°
56°
23
75°
56°
24
74°
54°
25
75°
57°
26
76°
55°
27
71°
51°
28
74°
53°
29
73°
52°
30
75°
54°
31
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Los Altos
Los Altos's October 2026 forecast shows daily high temperatures ranging from 71° to 92°, with overnight lows between 49° and 57°. The average high for October is 77° with an average low of 54°. 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 Los Altos. See also: November | December | January.