S
M
T
W
T
F
S
29
76°
71°
30
78°
70°
31
84°
70°
1
82°
69°
2
79°
66°
3
81°
62°
4
71°
61°
5
69°
57°
6
73°
63°
7
73°
68°
8
72°
64°
9
70°
60°
10
70°
54°
11
73°
54°
12
75°
54°
13
73°
59°
14
75°
68°
15
72°
67°
16
75°
66°
17
73°
60°
18
79°
61°
19
74°
63°
20
68°
61°
21
72°
59°
22
73°
62°
23
72°
55°
24
71°
56°
25
71°
59°
26
72°
60°
27
71°
58°
28
68°
55°
29
65°
55°
30
66°
58°
1
67°
58°
2
69°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Castillos
Castillos's April 2026 forecast shows daily high temperatures ranging from 65° to 79°, with overnight lows between 54° and 68°. The average high for April is 71° with an average low of 60°. 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 Castillos. See also: May | June | July.