S
M
T
W
T
F
S
29
53°
24°
30
72°
40°
31
80°
53°
1
77°
45°
2
45°
37°
3
67°
37°
4
70°
41°
5
54°
39°
6
51°
32°
7
50°
25°
8
51°
28°
9
57°
36°
10
68°
49°
11
64°
36°
12
63°
46°
13
74°
58°
14
77°
51°
15
66°
46°
16
63°
43°
17
60°
45°
18
64°
46°
19
68°
43°
20
61°
53°
21
67°
45°
22
65°
46°
23
63°
46°
24
67°
45°
25
68°
40°
26
59°
39°
27
59°
39°
28
61°
41°
29
61°
39°
30
59°
39°
1
61°
43°
2
61°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Rainbow
Rainbow's April 2026 forecast shows daily high temperatures ranging from 50° to 77°, with overnight lows between 25° and 58°. The average high for April is 63° 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 Rainbow. See also: May | June | July.