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
78°
56°
10
66°
41°
11
68°
54°
12
83°
61°
13
75°
65°
14
75°
61°
15
76°
56°
16
67°
50°
17
71°
46°
18
69°
49°
19
70°
48°
20
69°
52°
21
70°
49°
22
69°
41°
23
61°
47°
24
68°
48°
25
71°
46°
26
62°
41°
27
60°
40°
28
63°
46°
29
70°
49°
30
69°
50°
1
72°
48°
2
64°
44°
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 60° to 83°, with overnight lows between 40° and 65°. The average high for April is 69° with an average low of 50°. 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.
