S
M
T
W
T
F
S
29
35°
-2°
30
38°
16°
31
42°
3°
1
42°
6°
2
33°
13°
3
30°
18°
4
33°
17°
5
35°
11°
6
35°
9°
7
41°
27°
8
45°
26°
9
42°
23°
10
43°
30°
11
38°
29°
12
38°
26°
13
40°
27°
14
37°
24°
15
38°
29°
16
42°
31°
17
42°
27°
18
42°
24°
19
43°
32°
20
38°
14°
21
28°
18°
22
37°
31°
23
46°
33°
24
43°
30°
25
43°
29°
26
45°
31°
27
44°
27°
28
48°
26°
29
50°
28°
30
51°
27°
1
49°
29°
2
49°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Flat
Flat's April 2026 forecast shows daily high temperatures ranging from 28° to 51°, with overnight lows between 14° and 33°. The average high for April is 44° with an average low of 27°. 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. See also: May | June | July.
