S
M
T
W
T
F
S
29
69°
48°
30
74°
59°
31
81°
54°
1
82°
55°
2
84°
54°
3
82°
59°
4
84°
58°
5
66°
49°
6
69°
41°
7
73°
37°
8
66°
46°
9
70°
42°
10
75°
47°
11
81°
52°
12
81°
57°
13
78°
57°
14
80°
56°
15
81°
59°
16
75°
55°
17
76°
55°
18
77°
54°
19
79°
57°
20
79°
55°
21
70°
46°
22
71°
52°
23
73°
54°
24
74°
54°
25
72°
53°
26
71°
52°
27
70°
52°
28
73°
53°
29
74°
54°
30
75°
55°
1
75°
55°
2
73°
54°
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 66° to 81°, with overnight lows between 42° and 59°. The average high for April is 75° with an average low of 53°. 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.