S
M
T
W
T
F
S
28
95°
53°
29
90°
52°
30
93°
54°
1
90°
50°
2
91°
52°
3
92°
58°
4
91°
58°
5
96°
62°
6
98°
70°
7
98°
68°
8
94°
62°
9
92°
58°
10
91°
54°
11
96°
61°
12
96°
67°
13
98°
64°
14
96°
64°
15
96°
62°
16
97°
66°
17
96°
65°
18
95°
68°
19
96°
63°
20
91°
63°
21
88°
64°
22
89°
65°
23
90°
61°
24
86°
62°
25
90°
60°
26
85°
63°
27
91°
62°
28
85°
62°
29
91°
61°
30
90°
63°
31
85°
60°
1
88°
61°
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 98°, with overnight lows between 60° and 68°. The average high for July is 91° with an average low of 63°. 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.
