S
M
T
W
T
F
S
26
45°
28°
27
46°
39°
28
49°
39°
29
50°
39°
30
48°
39°
1
53°
37°
2
49°
41°
3
49°
42°
4
57°
39°
5
50°
42°
6
47°
40°
7
52°
37°
8
45°
34°
9
53°
41°
10
49°
41°
11
49°
40°
12
58°
38°
13
51°
34°
14
50°
41°
15
55°
38°
16
55°
35°
17
49°
38°
18
49°
41°
19
50°
41°
20
47°
43°
21
53°
43°
22
47°
42°
23
51°
40°
24
53°
36°
25
62°
41°
26
51°
45°
27
48°
43°
28
51°
41°
29
51°
37°
30
52°
32°
31
56°
39°
1
64°
32°
2
77°
36°
3
69°
41°
4
53°
48°
5
53°
47°
6
54°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sunnyside
Sunnyside's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Sunnyside. See also: June | July | August.
