S
M
T
W
T
F
S
29
37°
11°
30
34°
26°
31
42°
27°
1
43°
18°
2
45°
15°
3
41°
31°
4
44°
32°
5
41°
31°
6
41°
33°
7
42°
35°
8
41°
35°
9
39°
35°
10
51°
30°
11
50°
27°
12
41°
34°
13
41°
31°
14
47°
33°
15
45°
39°
16
41°
39°
17
40°
38°
18
48°
35°
19
50°
38°
20
46°
32°
21
49°
35°
22
53°
40°
23
54°
41°
24
49°
38°
25
44°
34°
26
45°
35°
27
45°
34°
28
44°
34°
29
45°
35°
30
46°
35°
1
46°
36°
2
47°
35°
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 40° to 54°, with overnight lows between 27° and 41°. The average high for April is 46° with an average low of 35°. 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.
