S
M
T
W
T
F
S
29
58°
28°
30
64°
48°
31
73°
58°
1
70°
50°
2
64°
51°
3
77°
58°
4
80°
47°
5
54°
33°
6
45°
31°
7
44°
21°
8
52°
31°
9
63°
42°
10
60°
41°
11
68°
50°
12
66°
48°
13
63°
44°
14
59°
40°
15
60°
33°
16
63°
30°
17
52°
28°
18
53°
29°
19
57°
37°
20
65°
41°
21
67°
42°
22
67°
42°
23
66°
43°
24
68°
43°
25
69°
44°
26
69°
41°
27
67°
33°
28
55°
33°
29
59°
41°
30
58°
39°
1
58°
35°
2
59°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lilly
Lilly's April 2026 forecast shows daily high temperatures ranging from 44° to 80°, with overnight lows between 21° and 58°. The average high for April is 62° with an average low of 39°. 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 Lilly. See also: May | June | July.