S
M
T
W
T
F
S
31
74°
57°
1
71°
56°
2
75°
54°
3
82°
53°
4
87°
61°
5
81°
71°
6
87°
71°
7
83°
67°
8
83°
66°
9
88°
71°
10
91°
71°
11
88°
62°
12
83°
64°
13
86°
64°
14
76°
58°
15
69°
57°
16
68°
55°
17
70°
55°
18
74°
61°
19
78°
60°
20
76°
59°
21
77°
59°
22
78°
61°
23
80°
63°
24
75°
61°
25
76°
62°
26
77°
60°
27
74°
58°
28
74°
59°
29
76°
64°
30
78°
67°
1
78°
66°
2
77°
65°
3
78°
66°
4
80°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Gary
Gary's June 2026 forecast shows daily high temperatures ranging from 68° to 91°, with overnight lows between 55° and 71°. The average high for June is 77° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Gary. See also: July | August | September.