S
M
T
W
T
F
S
27
72°
46°
28
64°
52°
29
68°
52°
30
68°
61°
1
77°
62°
2
69°
49°
3
69°
50°
4
74°
53°
5
63°
45°
6
68°
51°
7
72°
54°
8
75°
55°
9
71°
57°
10
73°
53°
11
69°
52°
12
64°
48°
13
66°
47°
14
66°
48°
15
59°
36°
16
67°
51°
17
68°
50°
18
68°
50°
19
61°
46°
20
56°
44°
21
55°
41°
22
55°
43°
23
64°
49°
24
66°
49°
25
64°
46°
26
56°
42°
27
53°
40°
28
58°
46°
29
59°
42°
30
58°
46°
31
62°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Gary
Gary's October 2026 forecast shows daily high temperatures ranging from 53° to 75°, with overnight lows between 36° and 57°. The average high for October is 64° with an average low of 48°. 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.
