S
M
T
W
T
F
S
31
77°
53°
1
68°
50°
2
68°
50°
3
69°
55°
4
75°
56°
5
72°
55°
6
72°
52°
7
70°
50°
8
70°
51°
9
71°
50°
10
71°
54°
11
78°
58°
12
76°
58°
13
76°
59°
14
80°
60°
15
81°
60°
16
81°
59°
17
80°
59°
18
76°
58°
19
78°
60°
20
81°
61°
21
81°
60°
22
83°
60°
23
83°
60°
24
84°
53°
25
82°
52°
26
76°
54°
27
77°
60°
28
84°
54°
29
83°
53°
30
77°
54°
1
77°
54°
2
78°
55°
3
78°
54°
4
77°
60°
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 68° to 84°, with overnight lows between 50° and 61°. The average high for June is 77° with an average low of 56°. 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.