S
M
T
W
T
F
S
31
74°
61°
1
73°
63°
2
73°
62°
3
74°
59°
4
77°
59°
5
77°
62°
6
74°
60°
7
74°
60°
8
71°
60°
9
74°
61°
10
73°
62°
11
72°
64°
12
76°
66°
13
77°
64°
14
78°
64°
15
77°
65°
16
74°
62°
17
77°
66°
18
76°
65°
19
75°
65°
20
76°
64°
21
74°
66°
22
72°
65°
23
74°
63°
24
75°
64°
25
75°
64°
26
76°
65°
27
78°
66°
28
79°
66°
29
79°
65°
30
78°
67°
1
78°
66°
2
79°
67°
3
80°
68°
4
79°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Irvine
Irvine's June 2026 forecast shows daily high temperatures ranging from 71° to 80°, with overnight lows between 59° and 68°. The average high for June is 76° with an average low of 64°. 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 Irvine. See also: July | August | September.