S
M
T
W
T
F
S
29
82°
45°
30
88°
59°
31
86°
55°
1
77°
48°
2
81°
59°
3
82°
61°
4
66°
43°
5
72°
34°
6
72°
43°
7
72°
43°
8
77°
43°
9
81°
54°
10
82°
59°
11
79°
59°
12
86°
61°
13
91°
66°
14
84°
59°
15
84°
52°
16
88°
64°
17
85°
43°
18
65°
38°
19
72°
44°
20
67°
51°
21
81°
58°
22
88°
64°
23
89°
59°
24
80°
50°
25
70°
43°
26
71°
45°
27
72°
45°
28
74°
54°
29
80°
55°
30
81°
54°
1
80°
52°
2
79°
52°
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 65° to 89°, with overnight lows between 38° and 64°. The average high for April is 78° 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.
