S
M
T
W
T
F
S
29
62°
28°
30
72°
52°
31
84°
62°
1
87°
63°
2
66°
47°
3
83°
47°
4
88°
61°
5
75°
51°
6
62°
46°
7
N/A
8
55°
36°
9
61°
43°
10
76°
55°
11
71°
46°
12
69°
56°
13
86°
66°
14
91°
70°
15
90°
58°
16
76°
52°
17
72°
55°
18
75°
56°
19
73°
52°
20
71°
48°
21
74°
55°
22
76°
56°
23
77°
56°
24
76°
54°
25
75°
52°
26
69°
52°
27
66°
49°
28
66°
50°
29
67°
47°
30
65°
46°
1
67°
50°
2
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Mount Rainier
Mount Rainier's April 2026 forecast shows daily high temperatures ranging from 55° to 91°, with overnight lows between 36° and 70°. The average high for April is 72° with an average low of 52°. 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. See also: May | June | July.
