S
M
T
W
T
F
S
26
92°
52°
27
88°
50°
28
88°
46°
29
71°
59°
30
62°
50°
1
56°
49°
2
66°
48°
3
76°
47°
4
86°
55°
5
80°
59°
6
81°
49°
7
77°
45°
8
89°
47°
9
94°
54°
10
85°
58°
11
80°
50°
12
97°
54°
13
97°
58°
14
95°
62°
15
95°
63°
16
97°
59°
17
95°
56°
18
93°
55°
19
85°
57°
20
80°
57°
21
87°
55°
22
90°
60°
23
86°
60°
24
88°
60°
25
89°
59°
26
85°
59°
27
88°
58°
28
87°
61°
29
93°
64°
30
94°
63°
31
90°
64°
1
94°
69°
2
93°
65°
3
88°
61°
4
87°
61°
5
88°
64°
6
94°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mountain View
Mountain View's May 2026 forecast shows daily high temperatures ranging from 80° to 94°, with overnight lows between 55° and 69°. The average high for May is 89° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mountain View. See also: June | July | August.
