S
M
T
W
T
F
S
26
72°
59°
27
72°
57°
28
75°
59°
29
73°
59°
30
75°
59°
31
77°
57°
1
77°
59°
2
82°
59°
3
82°
61°
4
77°
61°
5
75°
61°
6
75°
63°
7
72°
61°
8
72°
61°
9
77°
61°
10
75°
61°
11
75°
59°
12
73°
59°
13
79°
61°
14
73°
61°
15
70°
61°
16
73°
61°
17
73°
61°
18
73°
61°
19
73°
61°
20
73°
61°
21
70°
61°
22
72°
59°
23
81°
59°
24
75°
61°
25
75°
63°
26
89°
62°
27
86°
63°
28
78°
58°
29
78°
56°
30
77°
55°
31
72°
59°
1
73°
60°
2
75°
59°
3
78°
58°
4
79°
60°
5
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Los Altos
Los Altos's August 2026 forecast shows daily high temperatures ranging from 72° to 89°, with overnight lows between 55° and 63°. The average high for August is 78° 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 August weather will actually feel in Los Altos. See also: September | October | November.
