S
M
T
W
T
F
S
26
74°
52°
27
75°
51°
28
72°
49°
29
74°
48°
30
68°
48°
1
67°
52°
2
68°
48°
3
67°
44°
4
68°
45°
5
72°
49°
6
76°
52°
7
76°
53°
8
76°
54°
9
77°
53°
10
76°
54°
11
78°
55°
12
78°
55°
13
77°
54°
14
77°
54°
15
70°
50°
16
72°
52°
17
76°
55°
18
74°
56°
19
78°
50°
20
72°
49°
21
71°
48°
22
73°
51°
23
74°
57°
24
72°
57°
25
76°
56°
26
79°
57°
27
81°
54°
28
82°
57°
29
81°
60°
30
82°
59°
31
83°
53°
1
81°
54°
2
82°
57°
3
82°
57°
4
83°
60°
5
79°
58°
6
79°
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 67° to 83°, with overnight lows between 44° and 60°. The average high for May is 76° with an average low of 53°. 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.
