S
M
T
W
T
F
S
29
64°
38°
30
69°
54°
31
78°
61°
1
74°
59°
2
78°
55°
3
78°
64°
4
81°
47°
5
61°
37°
6
64°
37°
7
60°
31°
8
70°
45°
9
71°
46°
10
75°
46°
11
73°
54°
12
78°
55°
13
75°
54°
14
76°
52°
15
72°
54°
16
72°
52°
17
70°
43°
18
73°
50°
19
71°
50°
20
73°
51°
21
74°
52°
22
74°
51°
23
73°
50°
24
74°
50°
25
74°
48°
26
71°
52°
27
74°
50°
28
67°
48°
29
69°
45°
30
66°
49°
1
66°
51°
2
68°
48°
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 60° to 81°, with overnight lows between 31° and 55°. The average high for April is 71° with an average low of 48°. 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.