S
M
T
W
T
F
S
29
53°
41°
30
59°
35°
31
53°
44°
1
56°
43°
2
57°
37°
3
63°
37°
4
73°
48°
5
78°
48°
6
75°
47°
7
68°
45°
8
63°
45°
9
64°
43°
10
65°
45°
11
68°
46°
12
67°
48°
13
65°
46°
14
68°
50°
15
57°
46°
16
63°
47°
17
66°
47°
18
64°
45°
19
57°
43°
20
57°
40°
21
56°
40°
22
57°
41°
23
57°
41°
24
58°
40°
25
59°
44°
26
59°
44°
27
58°
43°
28
63°
41°
29
65°
46°
30
67°
45°
1
67°
47°
2
69°
46°
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 56° to 78°, with overnight lows between 37° and 50°. The average high for April is 63° with an average low of 44°. 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.
