S
M
T
W
T
F
S
29
67°
39°
30
90°
49°
31
76°
54°
1
54°
42°
2
72°
42°
3
62°
43°
4
47°
40°
5
60°
36°
6
55°
39°
7
46°
37°
8
78°
39°
9
59°
47°
10
57°
42°
11
61°
39°
12
74°
60°
13
83°
63°
14
90°
65°
15
80°
60°
16
83°
54°
17
85°
47°
18
55°
36°
19
60°
34°
20
69°
32°
21
N/A
22
81°
59°
23
80°
57°
24
71°
45°
25
68°
49°
26
68°
57°
27
65°
43°
28
63°
44°
29
62°
43°
30
61°
41°
1
60°
40°
2
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Indianapolis
Indianapolis's April 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 40° and 59°. The average high for April is 68° with an average low of 47°. 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 Indianapolis. See also: May | June | July.
