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°
52°
9
83°
57°
10
82°
59°
11
75°
60°
12
81°
61°
13
85°
53°
14
78°
43°
15
70°
46°
16
75°
55°
17
81°
59°
18
78°
58°
19
76°
56°
20
81°
58°
21
85°
57°
22
71°
53°
23
81°
54°
24
80°
53°
25
78°
53°
26
79°
55°
27
80°
56°
28
80°
56°
29
81°
55°
30
80°
56°
1
78°
55°
2
72°
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 70° to 85°, with overnight lows between 43° and 61°. 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 Indianapolis. See also: May | June | July.
