S
M
T
W
T
F
S
31
78°
60°
1
77°
59°
2
77°
60°
3
80°
62°
4
82°
64°
5
83°
63°
6
83°
68°
7
86°
67°
8
84°
68°
9
83°
68°
10
83°
67°
11
84°
68°
12
84°
68°
13
85°
69°
14
88°
70°
15
88°
70°
16
87°
69°
17
88°
66°
18
81°
63°
19
84°
71°
20
88°
69°
21
82°
66°
22
80°
66°
23
82°
68°
24
83°
67°
25
86°
72°
26
90°
73°
27
91°
73°
28
91°
72°
29
90°
72°
30
90°
67°
1
83°
65°
2
83°
65°
3
85°
71°
4
88°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Granite City Township
Granite City Township's June 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 59° and 73°. The average high for June is 84° with an average low of 67°. 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 Granite City Township. See also: July | August | September.