S
M
T
W
T
F
S
26
67°
52°
27
70°
50°
28
62°
50°
29
72°
55°
30
71°
50°
1
66°
43°
2
64°
41°
3
66°
35°
4
77°
38°
5
78°
46°
6
70°
60°
7
66°
46°
8
70°
40°
9
76°
45°
10
82°
49°
11
65°
52°
12
72°
45°
13
76°
43°
14
63°
43°
15
75°
37°
16
83°
50°
17
89°
58°
18
91°
61°
19
92°
60°
20
92°
59°
21
86°
60°
22
60°
55°
23
59°
56°
24
72°
63°
25
75°
66°
26
75°
65°
27
79°
65°
28
83°
63°
29
78°
58°
30
73°
55°
31
69°
53°
1
75°
57°
2
75°
56°
3
76°
59°
4
77°
58°
5
78°
56°
6
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Flat Rock
Flat Rock's May 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 53° and 66°. The average high for May is 75° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Flat Rock. See also: June | July | August.
