S
M
T
W
T
F
S
29
76°
41°
30
76°
36°
31
54°
30°
1
53°
37°
2
59°
30°
3
32°
26°
4
55°
24°
5
63°
20°
6
61°
26°
7
73°
24°
8
60°
26°
9
62°
31°
10
67°
25°
11
74°
33°
12
71°
35°
13
62°
36°
14
62°
28°
15
66°
35°
16
71°
26°
17
38°
24°
18
55°
21°
19
68°
29°
20
81°
47°
21
83°
52°
22
75°
41°
23
54°
27°
24
42°
21°
25
47°
29°
26
50°
26°
27
50°
30°
28
61°
36°
29
55°
34°
30
55°
35°
1
60°
34°
2
64°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Casper
Casper's April 2026 forecast shows daily high temperatures ranging from 42° to 83°, with overnight lows between 21° and 52°. The average high for April is 60° with an average low of 35°. 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 Casper. See also: May | June | July.
