S
M
T
W
T
F
S
29
75°
41°
30
75°
42°
31
66°
44°
1
55°
43°
2
62°
32°
3
48°
25°
4
61°
27°
5
65°
32°
6
70°
35°
7
73°
41°
8
73°
38°
9
74°
42°
10
75°
47°
11
65°
44°
12
66°
36°
13
52°
35°
14
52°
34°
15
62°
30°
16
67°
31°
17
47°
24°
18
54°
27°
19
66°
42°
20
72°
47°
21
74°
51°
22
62°
38°
23
60°
39°
24
60°
38°
25
61°
40°
26
63°
41°
27
63°
42°
28
62°
43°
29
66°
42°
30
68°
44°
1
67°
40°
2
59°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sunnyside
Sunnyside's April 2026 forecast shows daily high temperatures ranging from 54° to 74°, with overnight lows between 27° and 51°. The average high for April is 64° 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 Sunnyside. See also: May | June | July.
