S
M
T
W
T
F
S
26
96°
75°
27
96°
75°
28
95°
74°
29
97°
75°
30
97°
75°
31
96°
74°
1
95°
74°
2
95°
73°
3
96°
75°
4
95°
74°
5
95°
73°
6
96°
74°
7
90°
67°
8
92°
70°
9
94°
67°
10
90°
66°
11
89°
66°
12
91°
69°
13
89°
69°
14
88°
71°
15
89°
71°
16
88°
70°
17
93°
70°
18
93°
68°
19
86°
66°
20
86°
65°
21
87°
64°
22
88°
66°
23
92°
68°
24
94°
66°
25
93°
69°
26
92°
68°
27
87°
68°
28
89°
67°
29
87°
68°
30
86°
67°
31
85°
62°
1
84°
62°
2
84°
61°
3
83°
60°
4
83°
60°
5
84°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mountain View
Mountain View's August 2026 forecast shows daily high temperatures ranging from 83° to 97°, with overnight lows between 60° and 75°. The average high for August is 91° with an average low of 69°. 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 Mountain View. See also: September | October | November.
