S
M
T
W
T
F
S
29
89°
59°
30
76°
54°
31
70°
59°
1
71°
58°
2
69°
57°
3
81°
53°
4
87°
56°
5
86°
57°
6
79°
59°
7
79°
54°
8
80°
56°
9
76°
57°
10
74°
60°
11
71°
56°
12
67°
53°
13
65°
52°
14
71°
49°
15
75°
52°
16
73°
54°
17
78°
51°
18
82°
54°
19
80°
57°
20
76°
54°
21
67°
52°
22
74°
52°
23
81°
57°
24
76°
57°
25
69°
52°
26
71°
54°
27
71°
56°
28
67°
57°
29
72°
58°
30
78°
57°
1
79°
58°
2
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Irwindale
Irwindale's April 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 52° and 58°. The average high for April is 74° 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 April weather will actually feel in Irwindale. See also: May | June | July.
