S
M
T
W
T
F
S
29
32°
19°
30
31°
17°
31
36°
9°
1
47°
22°
2
34°
30°
3
40°
30°
4
54°
28°
5
38°
30°
6
44°
27°
7
42°
28°
8
39°
23°
9
46°
27°
10
64°
28°
11
64°
34°
12
47°
35°
13
58°
35°
14
62°
40°
15
54°
30°
16
33°
16°
17
42°
12°
18
52°
24°
19
64°
32°
20
74°
47°
21
78°
49°
22
68°
32°
23
40°
26°
24
34°
21°
25
35°
21°
26
41°
23°
27
46°
30°
28
51°
29°
29
52°
32°
30
57°
36°
1
60°
37°
2
55°
37°
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 34° to 78°, with overnight lows between 21° and 49°. The average high for April is 53° with an average low of 32°. 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.
