S
M
T
W
T
F
S
28
91°
60°
29
91°
60°
30
85°
57°
1
90°
61°
2
91°
61°
3
92°
62°
4
87°
60°
5
92°
62°
6
92°
62°
7
91°
61°
8
85°
60°
9
86°
61°
10
92°
62°
11
91°
60°
12
92°
61°
13
87°
63°
14
94°
60°
15
91°
60°
16
94°
61°
17
93°
59°
18
88°
57°
19
87°
55°
20
87°
58°
21
88°
56°
22
88°
60°
23
89°
60°
24
91°
62°
25
92°
64°
26
95°
61°
27
90°
62°
28
93°
62°
29
94°
59°
30
94°
60°
31
87°
57°
1
86°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sunnyvale
Sunnyvale's July 2026 forecast shows daily high temperatures ranging from 85° to 95°, with overnight lows between 55° and 64°. The average high for July is 90° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Sunnyvale. See also: August | September | October.
