S
M
T
W
T
F
S
29
54°
34°
30
73°
47°
31
81°
60°
1
80°
51°
2
51°
41°
3
66°
41°
4
72°
43°
5
63°
41°
6
57°
42°
7
48°
30°
8
48°
41°
9
55°
47°
10
67°
51°
11
68°
52°
12
70°
53°
13
70°
53°
14
70°
53°
15
67°
51°
16
64°
50°
17
65°
45°
18
56°
48°
19
57°
50°
20
65°
52°
21
66°
51°
22
66°
53°
23
67°
53°
24
68°
52°
25
68°
46°
26
59°
47°
27
57°
45°
28
61°
46°
29
60°
44°
30
58°
44°
1
60°
48°
2
62°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Flatbush
Flatbush's April 2026 forecast shows daily high temperatures ranging from 48° to 72°, with overnight lows between 30° and 53°. The average high for April is 63° 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 Flatbush. See also: May | June | July.