S
M
T
W
T
F
S
26
91°
72°
27
86°
72°
28
75°
70°
29
77°
64°
30
88°
63°
31
82°
64°
1
73°
68°
2
77°
70°
3
82°
66°
4
88°
66°
5
86°
72°
6
82°
70°
7
90°
70°
8
82°
66°
9
88°
64°
10
86°
73°
11
79°
68°
12
84°
70°
13
79°
70°
14
79°
70°
15
84°
73°
16
88°
68°
17
81°
62°
18
83°
69°
19
77°
62°
20
78°
63°
21
79°
62°
22
81°
61°
23
80°
62°
24
81°
63°
25
84°
65°
26
80°
63°
27
82°
62°
28
81°
61°
29
77°
62°
30
81°
64°
31
75°
61°
1
74°
65°
2
75°
63°
3
74°
60°
4
74°
60°
5
76°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gary
Gary's August 2026 forecast shows daily high temperatures ranging from 74° to 88°, with overnight lows between 60° and 73°. The average high for August is 79° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Gary. See also: September | October | November.
