S
M
T
W
T
F
S
31
81°
50°
1
84°
57°
2
76°
54°
3
78°
56°
4
78°
54°
5
82°
54°
6
73°
56°
7
77°
51°
8
73°
52°
9
75°
61°
10
89°
57°
11
98°
64°
12
91°
61°
13
83°
59°
14
79°
57°
15
77°
60°
16
77°
60°
17
80°
59°
18
81°
59°
19
77°
59°
20
75°
56°
21
80°
56°
22
77°
56°
23
80°
58°
24
83°
60°
25
81°
59°
26
79°
58°
27
83°
60°
28
85°
61°
29
85°
62°
30
83°
60°
1
86°
55°
2
79°
58°
3
80°
58°
4
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in San Jose
San Jose's June 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 55° and 62°. The average high for June is 81° with an average low of 59°. 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.
