S
M
T
W
T
F
S
26
100°
76°
27
99°
78°
28
100°
77°
29
100°
76°
30
99°
76°
31
99°
78°
1
101°
78°
2
101°
77°
3
100°
77°
4
99°
76°
5
99°
78°
6
100°
77°
7
97°
75°
8
91°
74°
9
91°
70°
10
92°
72°
11
96°
75°
12
98°
76°
13
99°
76°
14
99°
75°
15
98°
76°
16
99°
76°
17
99°
75°
18
98°
76°
19
99°
75°
20
98°
76°
21
90°
65°
22
89°
72°
23
91°
68°
24
98°
73°
25
92°
71°
26
95°
70°
27
95°
71°
28
94°
71°
29
94°
70°
30
93°
71°
31
94°
71°
1
94°
70°
2
95°
71°
3
94°
71°
4
94°
70°
5
93°
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 89° to 101°, with overnight lows between 65° and 78°. The average high for August is 96° with an average low of 74°. 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.
