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
97°
68°
7
96°
66°
8
90°
63°
9
92°
62°
10
92°
64°
11
96°
66°
12
101°
68°
13
102°
67°
14
98°
65°
15
97°
65°
16
96°
67°
17
94°
67°
18
93°
64°
19
92°
62°
20
94°
64°
21
93°
64°
22
92°
63°
23
86°
62°
24
88°
61°
25
92°
63°
26
92°
64°
27
91°
62°
28
93°
64°
29
93°
63°
30
92°
63°
31
93°
64°
1
93°
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 86° to 102°, with overnight lows between 61° and 68°. The average high for July is 94° with an average low of 64°. 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.
