S
M
T
W
T
F
S
29
50°
36°
30
57°
32°
31
57°
29°
1
54°
44°
2
56°
37°
3
61°
37°
4
69°
42°
5
75°
45°
6
74°
43°
7
62°
42°
8
63°
39°
9
64°
40°
10
63°
39°
11
64°
41°
12
67°
44°
13
65°
46°
14
64°
46°
15
51°
44°
16
62°
44°
17
66°
44°
18
63°
42°
19
58°
39°
20
57°
38°
21
57°
37°
22
58°
38°
23
58°
38°
24
57°
37°
25
59°
41°
26
59°
41°
27
60°
40°
28
63°
38°
29
64°
41°
30
66°
42°
1
66°
42°
2
69°
43°
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 51° to 75°, with overnight lows between 37° and 46°. The average high for April is 63° with an average low of 41°. 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.
