S
M
T
W
T
F
S
29
47°
36°
30
52°
33°
31
59°
32°
1
50°
39°
2
56°
38°
3
60°
35°
4
65°
32°
5
70°
41°
6
73°
38°
7
58°
33°
8
62°
34°
9
68°
35°
10
68°
37°
11
64°
41°
12
56°
42°
13
59°
41°
14
60°
36°
15
62°
37°
16
62°
40°
17
63°
41°
18
59°
39°
19
55°
35°
20
56°
35°
21
59°
37°
22
54°
36°
23
55°
35°
24
62°
36°
25
60°
36°
26
59°
37°
27
62°
36°
28
63°
39°
29
64°
40°
30
64°
42°
1
66°
45°
2
64°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Rainier
Rainier's April 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 33° and 45°. The average high for April is 62° 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 Rainier. See also: May | June | July.
