S
M
T
W
T
F
S
31
87°
67°
1
87°
67°
2
87°
71°
3
84°
68°
4
82°
66°
5
82°
69°
6
82°
68°
7
75°
67°
8
74°
64°
9
77°
64°
10
82°
66°
11
88°
65°
12
85°
68°
13
89°
69°
14
87°
69°
15
87°
70°
16
84°
66°
17
87°
66°
18
85°
66°
19
N/A
20
85°
71°
21
85°
70°
22
85°
72°
23
82°
71°
24
82°
72°
25
84°
70°
26
86°
68°
27
86°
70°
28
88°
68°
29
87°
67°
30
86°
68°
1
86°
67°
2
85°
66°
3
78°
71°
4
78°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in San Jose
San Jose's June 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 66° and 72°. The average high for June is 84° with an average low of 69°. 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 San Jose. See also: July | August | September.
