S
M
T
W
T
F
S
29
49°
18°
30
66°
25°
31
45°
39°
1
53°
37°
2
40°
32°
3
47°
32°
4
59°
35°
5
47°
35°
6
43°
26°
7
36°
23°
8
47°
20°
9
58°
30°
10
67°
42°
11
52°
29°
12
54°
41°
13
67°
51°
14
72°
47°
15
68°
45°
16
63°
44°
17
66°
42°
18
62°
36°
19
59°
36°
20
61°
39°
21
65°
40°
22
59°
31°
23
51°
30°
24
53°
34°
25
58°
36°
26
53°
37°
27
52°
36°
28
54°
35°
29
53°
31°
30
58°
34°
1
59°
39°
2
65°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in South Danbury
South Danbury's April 2026 forecast shows daily high temperatures ranging from 51° to 72°, with overnight lows between 29° and 51°. The average high for April is 60° with an average low of 38°. 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 South Danbury. See also: May | June | July.