S
M
T
W
T
F
S
31
77°
50°
1
77°
55°
2
70°
57°
3
77°
55°
4
72°
55°
5
77°
55°
6
73°
55°
7
72°
52°
8
75°
54°
9
73°
61°
10
86°
57°
11
97°
63°
12
82°
61°
13
77°
61°
14
73°
61°
15
79°
57°
16
82°
58°
17
84°
59°
18
81°
59°
19
79°
58°
20
72°
57°
21
73°
56°
22
77°
57°
23
78°
59°
24
78°
58°
25
77°
59°
26
79°
60°
27
80°
61°
28
79°
59°
29
78°
60°
30
80°
58°
1
75°
57°
2
75°
58°
3
76°
58°
4
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Sunnyvale
Sunnyvale's June 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 56° and 61°. The average high for June is 78° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Sunnyvale. See also: July | August | September.
