S
M
T
W
T
F
S
26
90°
69°
27
90°
69°
28
89°
68°
29
90°
67°
30
91°
67°
31
91°
68°
1
92°
67°
2
92°
68°
3
93°
70°
4
95°
72°
5
96°
72°
6
98°
73°
7
98°
72°
8
96°
71°
9
95°
72°
10
99°
71°
11
99°
71°
12
98°
70°
13
96°
69°
14
93°
68°
15
96°
69°
16
98°
70°
17
97°
69°
18
98°
64°
19
93°
63°
20
90°
64°
21
91°
64°
22
90°
65°
23
91°
63°
24
90°
63°
25
91°
64°
26
90°
64°
27
92°
65°
28
91°
64°
29
91°
67°
30
93°
68°
31
92°
68°
1
92°
63°
2
89°
62°
3
88°
65°
4
90°
67°
5
92°
68°
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 88° to 99°, with overnight lows between 62° and 73°. The average high for August is 93° with an average low of 67°. 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.
