S
M
T
W
T
F
S
29
84°
43°
30
88°
64°
31
86°
61°
1
88°
70°
2
82°
63°
3
84°
70°
4
72°
54°
5
70°
48°
6
73°
37°
7
70°
43°
8
81°
50°
9
82°
61°
10
81°
63°
11
82°
66°
12
81°
61°
13
86°
70°
14
81°
70°
15
77°
68°
16
86°
64°
17
86°
64°
18
73°
48°
19
70°
41°
20
59°
52°
21
68°
63°
22
83°
67°
23
86°
68°
24
92°
68°
25
88°
69°
26
91°
65°
27
88°
61°
28
86°
60°
29
84°
59°
30
80°
55°
1
79°
51°
2
79°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Castell
Castell's April 2026 forecast shows daily high temperatures ranging from 68° to 92°, with overnight lows between 51° and 69°. The average high for April is 84° with an average low of 62°. 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 Castell. See also: May | June | July.