S
M
T
W
T
F
S
31
75°
55°
1
83°
58°
2
73°
54°
3
80°
47°
4
85°
51°
5
87°
56°
6
88°
60°
7
89°
62°
8
88°
66°
9
75°
67°
10
86°
68°
11
91°
66°
12
93°
69°
13
88°
67°
14
89°
64°
15
79°
62°
16
78°
59°
17
87°
58°
18
86°
67°
19
82°
61°
20
83°
57°
21
89°
65°
22
87°
66°
23
84°
58°
24
85°
63°
25
86°
67°
26
83°
65°
27
85°
64°
28
89°
65°
29
90°
69°
30
88°
69°
1
92°
67°
2
91°
68°
3
89°
68°
4
90°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Flat Rock
Flat Rock's June 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 58° and 69°. The average high for June is 88° with an average low of 66°. 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 Flat Rock. See also: July | August | September.