S
M
T
W
T
F
S
29
67°
38°
30
77°
59°
31
80°
64°
1
70°
46°
2
78°
46°
3
78°
64°
4
72°
44°
5
53°
41°
6
58°
39°
7
50°
34°
8
72°
38°
9
76°
59°
10
70°
49°
11
70°
40°
12
79°
55°
13
80°
67°
14
82°
68°
15
80°
67°
16
76°
62°
17
82°
58°
18
65°
37°
19
57°
36°
20
59°
46°
21
75°
54°
22
72°
48°
23
76°
54°
24
75°
54°
25
65°
44°
26
59°
40°
27
58°
40°
28
61°
41°
29
64°
42°
30
63°
44°
1
64°
44°
2
63°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Greencastle
Greencastle's April 2026 forecast shows daily high temperatures ranging from 57° to 82°, with overnight lows between 36° and 58°. The average high for April is 66° with an average low of 45°. 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 Greencastle. See also: May | June | July.
