S
M
T
W
T
F
S
29
80°
38°
30
83°
63°
31
85°
65°
1
84°
65°
2
83°
68°
3
86°
65°
4
79°
62°
5
66°
49°
6
72°
41°
7
77°
41°
8
79°
55°
9
79°
52°
10
82°
54°
11
86°
59°
12
85°
65°
13
83°
66°
14
87°
66°
15
88°
69°
16
87°
65°
17
89°
68°
18
88°
65°
19
81°
62°
20
84°
68°
21
88°
69°
22
88°
66°
23
77°
56°
24
80°
63°
25
79°
61°
26
79°
61°
27
78°
60°
28
79°
62°
29
82°
64°
30
82°
64°
1
79°
63°
2
77°
63°
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 77° to 89°, with overnight lows between 56° and 69°. The average high for April is 83° with an average low of 64°. 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.
