S
M
T
W
T
F
S
26
100°
76°
27
101°
78°
28
101°
77°
29
100°
78°
30
101°
79°
31
101°
79°
1
100°
78°
2
101°
78°
3
101°
77°
4
100°
78°
5
101°
78°
6
101°
77°
7
100°
78°
8
101°
78°
9
100°
77°
10
100°
75°
11
99°
76°
12
99°
77°
13
98°
75°
14
98°
74°
15
91°
71°
16
94°
74°
17
97°
75°
18
98°
75°
19
98°
74°
20
97°
75°
21
98°
75°
22
96°
74°
23
96°
72°
24
97°
72°
25
98°
73°
26
95°
72°
27
96°
64°
28
95°
63°
29
86°
64°
30
87°
66°
31
88°
66°
1
85°
61°
2
91°
60°
3
84°
59°
4
83°
61°
5
85°
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 101°, with overnight lows between 59° and 79°. The average high for August is 96° with an average low of 73°. 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.
