S
M
T
W
T
F
S
29
33°
5°
30
36°
10°
31
32°
7°
1
34°
9°
2
36°
9°
3
36°
14°
4
40°
19°
5
43°
27°
6
37°
29°
7
44°
28°
8
42°
34°
9
43°
27°
10
37°
28°
11
38°
28°
12
36°
31°
13
44°
32°
14
43°
23°
15
36°
28°
16
42°
32°
17
44°
34°
18
43°
33°
19
45°
35°
20
42°
32°
21
42°
35°
22
44°
35°
23
43°
36°
24
47°
34°
25
45°
36°
26
46°
36°
27
47°
37°
28
50°
38°
29
51°
37°
30
50°
38°
1
49°
39°
2
66°
46°
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 42° to 66°, with overnight lows between 32° and 46°. The average high for April is 48° with an average low of 37°. 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.
