S
M
T
W
T
F
S
26
70°
50°
27
72°
54°
28
72°
59°
29
64°
52°
30
59°
39°
1
55°
37°
2
54°
37°
3
64°
50°
4
74°
57°
5
67°
51°
6
59°
42°
7
56°
39°
8
63°
46°
9
67°
47°
10
68°
50°
11
70°
53°
12
69°
51°
13
70°
50°
14
68°
52°
15
70°
57°
16
69°
55°
17
71°
58°
18
78°
59°
19
77°
59°
20
76°
60°
21
79°
60°
22
77°
59°
23
76°
58°
24
72°
54°
25
74°
59°
26
77°
61°
27
77°
59°
28
73°
60°
29
74°
58°
30
73°
56°
31
78°
61°
1
74°
61°
2
79°
63°
3
79°
57°
4
74°
55°
5
74°
55°
6
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Flat Rock Park
Flat Rock Park's May 2026 forecast shows daily high temperatures ranging from 54° to 79°, with overnight lows between 37° and 63°. The average high for May is 71° with an average low of 54°. 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 Park. See also: June | July | August.