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°
35°
9
76°
55°
10
70°
49°
11
66°
40°
12
80°
52°
13
81°
65°
14
83°
69°
15
80°
65°
16
79°
55°
17
85°
64°
18
67°
40°
19
56°
39°
20
61°
43°
21
70°
50°
22
69°
51°
23
67°
53°
24
67°
45°
25
61°
47°
26
59°
44°
27
60°
45°
28
61°
47°
29
60°
46°
30
61°
47°
1
64°
47°
2
62°
45°
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 56° to 85°, with overnight lows between 39° and 64°. The average high for April is 65° with an average low of 48°. 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.
