S
M
T
W
T
F
S
27
77°
57°
28
78°
57°
29
78°
56°
30
77°
57°
1
78°
57°
2
77°
56°
3
77°
57°
4
76°
57°
5
76°
56°
6
75°
57°
7
76°
53°
8
73°
52°
9
72°
49°
10
73°
44°
11
67°
51°
12
63°
50°
13
66°
48°
14
63°
47°
15
60°
43°
16
60°
49°
17
66°
45°
18
65°
49°
19
70°
50°
20
71°
49°
21
70°
49°
22
70°
51°
23
71°
49°
24
70°
50°
25
68°
47°
26
69°
45°
27
66°
38°
28
66°
35°
29
53°
34°
30
51°
32°
31
50°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Indianapolis
Indianapolis's October 2026 forecast shows daily high temperatures ranging from 50° to 78°, with overnight lows between 32° and 57°. The average high for October is 69° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Indianapolis. See also: November | December | January.
