S
M
T
W
T
F
S
26
84°
55°
27
83°
58°
28
80°
63°
29
75°
59°
30
66°
49°
1
67°
45°
2
66°
43°
3
69°
38°
4
81°
48°
5
77°
56°
6
59°
48°
7
67°
38°
8
76°
52°
9
78°
53°
10
78°
45°
11
69°
40°
12
72°
52°
13
77°
51°
14
78°
55°
15
78°
62°
16
78°
58°
17
78°
56°
18
77°
57°
19
81°
56°
20
81°
59°
21
76°
58°
22
76°
60°
23
77°
60°
24
76°
61°
25
76°
61°
26
77°
60°
27
78°
59°
28
77°
57°
29
80°
61°
30
77°
62°
31
76°
62°
1
78°
61°
2
80°
63°
3
81°
63°
4
80°
64°
5
80°
65°
6
81°
64°
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 81°, with overnight lows between 38° and 65°. The average high for May is 77° 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.
