S
M
T
W
T
F
S
31
81°
50°
1
84°
55°
2
79°
54°
3
78°
55°
4
80°
56°
5
81°
53°
6
72°
50°
7
75°
53°
8
74°
54°
9
76°
55°
10
83°
61°
11
83°
59°
12
82°
60°
13
83°
58°
14
90°
61°
15
79°
58°
16
82°
59°
17
83°
59°
18
80°
57°
19
80°
56°
20
78°
55°
21
81°
57°
22
82°
56°
23
80°
58°
24
81°
56°
25
80°
56°
26
77°
58°
27
77°
58°
28
79°
57°
29
82°
58°
30
81°
59°
1
82°
59°
2
81°
60°
3
83°
61°
4
82°
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 72° to 90°, with overnight lows between 50° and 61°. The average high for June is 80° with an average low of 57°. 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.
