S
M
T
W
T
F
S
29
55°
23°
30
72°
43°
31
79°
56°
1
76°
50°
2
48°
40°
3
66°
39°
4
70°
42°
5
56°
41°
6
51°
37°
7
52°
25°
8
52°
27°
9
54°
24°
10
66°
35°
11
59°
42°
12
56°
29°
13
78°
44°
14
84°
50°
15
84°
64°
16
87°
65°
17
79°
58°
18
69°
53°
19
54°
34°
20
48°
28°
21
55°
43°
22
65°
38°
23
59°
40°
24
59°
38°
25
63°
45°
26
61°
46°
27
60°
44°
28
58°
42°
29
57°
43°
30
58°
44°
1
59°
44°
2
61°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Danbury
Danbury's April 2026 forecast shows daily high temperatures ranging from 48° to 87°, with overnight lows between 28° and 65°. The average high for April is 63° with an average low of 45°. 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 Danbury. See also: May | June | July.