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°
65°
9
85°
62°
10
87°
62°
11
96°
66°
12
98°
66°
13
100°
67°
14
96°
66°
15
95°
67°
16
96°
66°
17
95°
66°
18
90°
64°
19
86°
60°
20
85°
63°
21
90°
60°
22
92°
63°
23
86°
62°
24
92°
63°
25
86°
64°
26
85°
63°
27
86°
61°
28
89°
62°
29
87°
59°
30
92°
63°
31
92°
64°
1
91°
63°
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 100°, with overnight lows between 59° and 67°. 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.
