S
M
T
W
T
F
S
29
79°
58°
30
70°
57°
31
71°
64°
1
72°
61°
2
72°
60°
3
84°
57°
4
86°
55°
5
79°
58°
6
75°
62°
7
74°
58°
8
77°
58°
9
76°
60°
10
72°
57°
11
71°
56°
12
62°
54°
13
66°
55°
14
70°
56°
15
71°
60°
16
69°
59°
17
70°
58°
18
71°
60°
19
69°
60°
20
71°
54°
21
66°
52°
22
69°
54°
23
68°
54°
24
68°
59°
25
67°
59°
26
68°
55°
27
68°
57°
28
71°
60°
29
72°
59°
30
74°
60°
1
75°
61°
2
74°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Irvine
Irvine's April 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 52° and 61°. The average high for April is 70° 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 April weather will actually feel in Irvine. See also: May | June | July.