S
M
T
W
T
F
S
26
77°
58°
27
77°
57°
28
80°
58°
29
78°
59°
30
84°
59°
31
85°
59°
1
87°
59°
2
89°
60°
3
91°
60°
4
84°
58°
5
81°
59°
6
80°
59°
7
79°
61°
8
78°
61°
9
85°
60°
10
82°
59°
11
82°
59°
12
81°
60°
13
76°
60°
14
76°
62°
15
75°
61°
16
79°
60°
17
78°
60°
18
80°
60°
19
81°
60°
20
77°
59°
21
76°
60°
22
79°
60°
23
89°
60°
24
82°
61°
25
82°
62°
26
89°
61°
27
85°
63°
28
80°
57°
29
79°
55°
30
78°
57°
31
74°
59°
1
75°
59°
2
77°
58°
3
83°
59°
4
83°
60°
5
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Milpitas
Milpitas's August 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 55° and 63°. The average high for August is 81° 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 Milpitas. See also: September | October | November.