S
M
T
W
T
F
S
29
67°
26°
30
73°
58°
31
82°
65°
1
80°
53°
2
85°
51°
3
78°
64°
4
85°
61°
5
65°
40°
6
61°
33°
7
48°
25°
8
65°
38°
9
75°
44°
10
76°
52°
11
70°
49°
12
86°
60°
13
81°
60°
14
86°
59°
15
80°
47°
16
59°
41°
17
67°
44°
18
68°
46°
19
72°
42°
20
71°
50°
21
72°
51°
22
74°
52°
23
75°
50°
24
71°
49°
25
65°
43°
26
63°
50°
27
66°
45°
28
64°
45°
29
63°
41°
30
63°
41°
1
66°
44°
2
66°
43°
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 48° to 86°, with overnight lows between 25° and 60°. The average high for April is 69° with an average low of 46°. 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.