S
M
T
W
T
F
S
29
46°
14°
30
65°
30°
31
50°
36°
1
52°
35°
2
41°
32°
3
54°
32°
4
51°
33°
5
49°
34°
6
44°
27°
7
38°
22°
8
43°
29°
9
50°
39°
10
62°
41°
11
56°
42°
12
62°
41°
13
58°
43°
14
56°
40°
15
54°
35°
16
52°
36°
17
53°
33°
18
50°
34°
19
51°
38°
20
48°
38°
21
59°
37°
22
55°
39°
23
49°
40°
24
50°
39°
25
51°
36°
26
50°
34°
27
51°
35°
28
52°
35°
29
52°
37°
30
53°
36°
1
54°
40°
2
53°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Casco
Casco's April 2026 forecast shows daily high temperatures ranging from 38° to 62°, with overnight lows between 22° and 43°. The average high for April is 52° with an average low of 36°. 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 Casco. See also: May | June | July.
