S
M
T
W
T
F
S
27
73°
47°
28
66°
46°
29
74°
61°
30
78°
50°
1
61°
40°
2
63°
32°
3
63°
44°
4
65°
37°
5
64°
34°
6
73°
47°
7
68°
42°
8
61°
35°
9
69°
38°
10
88°
58°
11
62°
48°
12
55°
46°
13
47°
42°
14
48°
43°
15
49°
41°
16
49°
33°
17
64°
35°
18
66°
37°
19
64°
29°
20
69°
43°
21
66°
37°
22
73°
34°
23
74°
59°
24
N/A
25
52°
30°
26
43°
35°
27
48°
41°
28
51°
36°
29
51°
39°
30
53°
43°
31
55°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Gary
Gary's October 2026 forecast shows daily high temperatures ranging from 43° to 55°, with overnight lows between 30° and 43°. The average high for October is 50° with an average low of 38°. 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 Gary. See also: November | December | January.
