S
M
T
W
T
F
S
31
74°
66°
1
84°
65°
2
82°
61°
3
80°
55°
4
83°
58°
5
84°
63°
6
83°
65°
7
82°
68°
8
84°
70°
9
79°
67°
10
86°
69°
11
87°
68°
12
88°
68°
13
87°
69°
14
85°
67°
15
86°
73°
16
87°
67°
17
84°
66°
18
86°
68°
19
88°
68°
20
88°
67°
21
90°
68°
22
90°
68°
23
89°
67°
24
86°
68°
25
88°
66°
26
90°
68°
27
90°
68°
28
86°
69°
29
85°
69°
30
86°
67°
1
86°
64°
2
87°
68°
3
86°
69°
4
86°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Grantville
Grantville's June 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 55° and 73°. The average high for June is 86° 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 Grantville. See also: July | August | September.