S
M
T
W
T
F
S
27
66°
45°
28
63°
55°
29
68°
57°
30
73°
55°
1
82°
61°
2
72°
52°
3
68°
43°
4
68°
48°
5
63°
39°
6
62°
38°
7
71°
51°
8
69°
43°
9
66°
41°
10
72°
51°
11
67°
56°
12
69°
56°
13
68°
50°
14
60°
46°
15
60°
45°
16
67°
48°
17
62°
43°
18
55°
40°
19
57°
39°
20
58°
33°
21
56°
42°
22
55°
37°
23
56°
36°
24
59°
37°
25
53°
37°
26
53°
35°
27
52°
33°
28
52°
30°
29
56°
39°
30
63°
41°
31
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Indiana
Indiana's October 2026 forecast shows daily high temperatures ranging from 52° to 72°, with overnight lows between 30° and 56°. The average high for October is 61° with an average low of 42°. 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 Indiana. See also: November | December | January.