S
M
T
W
T
F
S
29
52°
40°
30
52°
44°
31
54°
47°
1
54°
44°
2
48°
37°
3
56°
43°
4
54°
41°
5
48°
39°
6
59°
37°
7
70°
41°
8
61°
45°
9
52°
43°
10
52°
41°
11
50°
41°
12
50°
35°
13
51°
34°
14
56°
46°
15
56°
44°
16
58°
45°
17
55°
43°
18
53°
42°
19
52°
40°
20
55°
43°
21
55°
42°
22
53°
40°
23
54°
41°
24
49°
37°
25
54°
41°
26
53°
40°
27
54°
40°
28
52°
38°
29
52°
41°
30
51°
40°
1
51°
41°
2
52°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Casterton
Casterton's April 2026 forecast shows daily high temperatures ranging from 49° to 58°, with overnight lows between 34° and 46°. The average high for April is 53° with an average low of 41°. 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 Casterton. See also: May | June | July.
