S
M
T
W
T
F
S
29
77°
35°
30
90°
36°
31
71°
40°
1
49°
29°
2
43°
40°
3
40°
37°
4
46°
35°
5
66°
32°
6
47°
37°
7
44°
28°
8
68°
42°
9
51°
33°
10
58°
29°
11
66°
43°
12
78°
56°
13
89°
50°
14
81°
49°
15
71°
42°
16
85°
60°
17
66°
31°
18
56°
32°
19
68°
38°
20
76°
46°
21
81°
49°
22
77°
55°
23
75°
50°
24
67°
43°
25
64°
39°
26
66°
38°
27
68°
39°
28
67°
41°
29
61°
45°
30
64°
42°
1
63°
40°
2
61°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Decatur
Decatur's April 2026 forecast shows daily high temperatures ranging from 56° to 85°, with overnight lows between 31° and 60°. The average high for April is 69° with an average low of 43°. 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 Decatur. See also: May | June | July.
