S
M
T
W
T
F
S
27
78°
60°
28
78°
59°
29
77°
56°
30
74°
56°
1
79°
58°
2
73°
58°
3
79°
55°
4
79°
59°
5
80°
59°
6
79°
58°
7
75°
58°
8
74°
57°
9
74°
56°
10
75°
58°
11
71°
58°
12
71°
57°
13
75°
57°
14
76°
55°
15
75°
54°
16
76°
57°
17
77°
56°
18
76°
56°
19
69°
50°
20
68°
51°
21
69°
49°
22
68°
54°
23
68°
52°
24
69°
52°
25
68°
51°
26
71°
54°
27
72°
54°
28
70°
53°
29
68°
53°
30
67°
51°
31
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Mountain View
Mountain View's October 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 49° and 60°. The average high for October is 73° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Mountain View. See also: November | December | January.