S
M
T
W
T
F
S
29
66°
49°
30
78°
57°
31
83°
61°
1
86°
62°
2
82°
63°
3
82°
63°
4
82°
62°
5
73°
49°
6
74°
50°
7
75°
49°
8
71°
48°
9
75°
52°
10
77°
54°
11
79°
53°
12
83°
57°
13
84°
59°
14
85°
59°
15
81°
60°
16
82°
50°
17
80°
55°
18
73°
55°
19
73°
54°
20
77°
55°
21
77°
55°
22
79°
54°
23
81°
55°
24
81°
56°
25
82°
57°
26
82°
58°
27
83°
56°
28
77°
52°
29
82°
56°
30
83°
57°
1
77°
54°
2
78°
56°
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 71° to 85°, with overnight lows between 48° and 63°. The average high for April is 79° with an average low of 55°. 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.