S
M
T
W
T
F
S
31
66°
57°
1
67°
58°
2
67°
59°
3
68°
60°
4
71°
61°
5
71°
61°
6
70°
60°
7
71°
63°
8
72°
63°
9
70°
61°
10
68°
60°
11
70°
60°
12
70°
61°
13
71°
63°
14
74°
63°
15
75°
64°
16
74°
65°
17
75°
66°
18
70°
63°
19
70°
64°
20
72°
64°
21
74°
63°
22
74°
62°
23
73°
62°
24
73°
63°
25
72°
63°
26
73°
64°
27
73°
63°
28
74°
61°
29
73°
63°
30
72°
66°
1
75°
68°
2
76°
68°
3
77°
65°
4
72°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in San Diego
San Diego's June 2026 forecast shows daily high temperatures ranging from 66° to 77°, with overnight lows between 57° and 68°. The average high for June is 72° with an average low of 63°. 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 Diego. See also: July | August | September.