S
M
T
W
T
F
S
29
66°
28°
30
75°
57°
31
77°
61°
1
68°
50°
2
75°
52°
3
77°
52°
4
73°
50°
5
52°
39°
6
60°
33°
7
50°
33°
8
65°
50°
9
73°
51°
10
73°
53°
11
71°
54°
12
82°
59°
13
77°
61°
14
75°
53°
15
69°
45°
16
59°
41°
17
65°
46°
18
69°
48°
19
70°
42°
20
70°
50°
21
71°
51°
22
70°
50°
23
71°
49°
24
69°
47°
25
62°
44°
26
61°
50°
27
66°
46°
28
66°
44°
29
62°
41°
30
63°
45°
1
65°
47°
2
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Flat Rock
Flat Rock's April 2026 forecast shows daily high temperatures ranging from 50° to 82°, with overnight lows between 33° and 61°. The average high for April is 67° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Flat Rock. See also: May | June | July.