S
M
T
W
T
F
S
29
66°
32°
30
70°
49°
31
77°
56°
1
85°
59°
2
82°
60°
3
81°
59°
4
82°
59°
5
67°
54°
6
65°
43°
7
70°
45°
8
61°
45°
9
68°
38°
10
76°
47°
11
81°
52°
12
80°
57°
13
81°
57°
14
87°
60°
15
89°
64°
16
87°
62°
17
84°
60°
18
78°
60°
19
79°
61°
20
81°
60°
21
82°
50°
22
78°
55°
23
77°
56°
24
79°
57°
25
79°
56°
26
78°
55°
27
76°
54°
28
71°
51°
29
73°
53°
30
75°
55°
1
78°
57°
2
80°
58°
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 68° to 89°, with overnight lows between 38° and 64°. The average high for April is 79° with an average low of 56°. 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.
