S
M
T
W
T
F
S
29
67°
36°
30
77°
54°
31
80°
64°
1
72°
43°
2
78°
43°
3
79°
67°
4
73°
45°
5
53°
39°
6
59°
39°
7
49°
33°
8
69°
54°
9
78°
56°
10
69°
44°
11
66°
53°
12
81°
61°
13
72°
64°
14
71°
58°
15
62°
46°
16
63°
49°
17
65°
49°
18
69°
52°
19
70°
52°
20
73°
58°
21
74°
44°
22
59°
40°
23
60°
50°
24
69°
52°
25
71°
48°
26
62°
43°
27
60°
42°
28
61°
47°
29
69°
52°
30
69°
53°
1
72°
52°
2
64°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Indianapolis
Indianapolis's April 2026 forecast shows daily high temperatures ranging from 59° to 81°, with overnight lows between 40° and 64°. The average high for April is 68° with an average low of 51°. 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.
