S
M
T
W
T
F
S
26
65°
49°
27
64°
47°
28
62°
43°
29
66°
44°
30
62°
42°
1
62°
48°
2
63°
49°
3
74°
50°
4
63°
44°
5
62°
44°
6
63°
45°
7
67°
47°
8
70°
45°
9
65°
46°
10
64°
45°
11
64°
46°
12
67°
57°
13
77°
59°
14
77°
59°
15
76°
54°
16
69°
49°
17
70°
56°
18
76°
59°
19
79°
61°
20
78°
55°
21
72°
51°
22
71°
54°
23
72°
51°
24
71°
52°
25
73°
54°
26
79°
61°
27
81°
61°
28
82°
62°
29
83°
61°
30
82°
59°
31
80°
55°
1
77°
54°
2
74°
54°
3
74°
55°
4
75°
55°
5
75°
57°
6
77°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Indianapolis Motor Speedway
Indianapolis Motor Speedway's May 2026 forecast shows daily high temperatures ranging from 62° to 83°, with overnight lows between 42° and 64°. The average high for May is 72° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Indianapolis Motor Speedway. See also: June | July | August.
