S
M
T
W
T
F
S
29
50°
36°
30
54°
31°
31
57°
28°
1
50°
38°
2
46°
37°
3
55°
35°
4
73°
32°
5
79°
39°
6
75°
41°
7
59°
39°
8
66°
31°
9
75°
34°
10
71°
42°
11
57°
48°
12
62°
44°
13
51°
42°
14
46°
41°
15
42°
34°
16
48°
35°
17
58°
39°
18
61°
43°
19
67°
46°
20
68°
42°
21
56°
40°
22
45°
34°
23
56°
33°
24
62°
33°
25
64°
32°
26
57°
34°
27
60°
35°
28
60°
34°
29
62°
34°
30
59°
35°
1
55°
33°
2
50°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Mount Rainier National Park
Mount Rainier National Park's April 2026 forecast shows daily high temperatures ranging from 45° to 68°, with overnight lows between 32° and 46°. The average high for April is 59° with an average low of 36°. 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 Mount Rainier National Park. See also: May | June | July.
