S
M
T
W
T
F
S
29
66°
32°
30
76°
35°
31
57°
35°
1
42°
26°
2
34°
31°
3
40°
32°
4
42°
32°
5
53°
29°
6
42°
24°
7
42°
13°
8
68°
36°
9
55°
38°
10
55°
30°
11
58°
49°
12
70°
59°
13
76°
50°
14
57°
30°
15
49°
28°
16
54°
38°
17
58°
39°
18
62°
38°
19
62°
42°
20
68°
44°
21
58°
35°
22
53°
31°
23
52°
39°
24
52°
38°
25
53°
35°
26
53°
31°
27
56°
35°
28
57°
43°
29
65°
45°
30
67°
44°
1
59°
42°
2
56°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Big Flats
Big Flats's April 2026 forecast shows daily high temperatures ranging from 49° to 76°, with overnight lows between 28° and 59°. The average high for April is 59° with an average low of 39°. 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 Big Flats. See also: May | June | July.