S
M
T
W
T
F
S
26
57°
41°
27
65°
43°
28
68°
52°
29
55°
45°
30
57°
41°
1
49°
39°
2
50°
37°
3
64°
37°
4
75°
49°
5
66°
46°
6
58°
46°
7
58°
41°
8
58°
42°
9
71°
50°
10
62°
41°
11
57°
38°
12
59°
38°
13
61°
46°
14
67°
45°
15
67°
40°
16
79°
53°
17
79°
59°
18
80°
60°
19
88°
56°
20
63°
40°
21
64°
46°
22
64°
54°
23
70°
56°
24
70°
57°
25
73°
60°
26
78°
59°
27
75°
58°
28
78°
59°
29
77°
59°
30
79°
61°
31
80°
60°
1
77°
55°
2
78°
60°
3
75°
59°
4
70°
59°
5
71°
58°
6
75°
61°
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 63° to 88°, with overnight lows between 40° and 61°. The average high for May is 74° with an average low of 57°. 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.
