S
M
T
W
T
F
S
29
77°
41°
30
83°
60°
31
83°
62°
1
82°
62°
2
81°
67°
3
82°
67°
4
67°
46°
5
64°
37°
6
72°
36°
7
70°
43°
8
78°
52°
9
77°
54°
10
80°
54°
11
82°
59°
12
79°
63°
13
79°
64°
14
80°
55°
15
74°
50°
16
75°
57°
17
74°
58°
18
78°
57°
19
77°
56°
20
72°
45°
21
76°
53°
22
75°
51°
23
68°
50°
24
76°
51°
25
75°
52°
26
75°
54°
27
77°
52°
28
74°
52°
29
73°
51°
30
67°
52°
1
71°
53°
2
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Big Flat
Big Flat's April 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 43° and 64°. The average high for April is 75° with an average low of 54°. 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 Flat. See also: May | June | July.
