S
M
T
W
T
F
S
29
28°
17°
30
23°
0°
31
31°
-3°
1
39°
26°
2
36°
24°
3
42°
27°
4
48°
24°
5
39°
23°
6
39°
29°
7
48°
20°
8
36°
20°
9
37°
21°
10
43°
24°
11
52°
26°
12
54°
28°
13
54°
29°
14
49°
27°
15
41°
31°
16
46°
30°
17
54°
34°
18
57°
36°
19
58°
36°
20
57°
35°
21
50°
34°
22
46°
32°
23
48°
34°
24
48°
35°
25
49°
29°
26
49°
35°
27
50°
36°
28
56°
37°
29
60°
38°
30
61°
39°
1
62°
40°
2
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Castor
Castor's April 2026 forecast shows daily high temperatures ranging from 36° to 62°, with overnight lows between 20° and 40°. The average high for April is 49° with an average low of 31°. 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 Castor. See also: May | June | July.
