S
M
T
W
T
F
S
29
90°
54°
30
89°
59°
31
84°
60°
1
74°
44°
2
82°
48°
3
81°
50°
4
83°
57°
5
76°
51°
6
76°
44°
7
82°
41°
8
88°
41°
9
89°
40°
10
82°
46°
11
83°
44°
12
82°
44°
13
81°
45°
14
79°
38°
15
80°
44°
16
82°
43°
17
85°
45°
18
85°
46°
19
86°
46°
20
85°
45°
21
85°
46°
22
84°
46°
23
81°
45°
24
75°
41°
25
78°
43°
26
86°
46°
27
87°
48°
28
86°
47°
29
85°
47°
30
86°
48°
1
87°
49°
2
88°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Duncan
Duncan's April 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 38° and 57°. The average high for April is 83° with an average low of 46°. 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 Duncan. See also: May | June | July.