S
M
T
W
T
F
S
31
81°
68°
1
82°
69°
2
83°
68°
3
82°
69°
4
82°
69°
5
81°
68°
6
82°
69°
7
82°
69°
8
83°
70°
9
83°
70°
10
84°
69°
11
84°
70°
12
85°
70°
13
84°
70°
14
85°
71°
15
79°
70°
16
80°
70°
17
81°
70°
18
80°
69°
19
81°
70°
20
82°
71°
21
81°
71°
22
82°
70°
23
81°
71°
24
81°
70°
25
82°
71°
26
82°
71°
27
83°
72°
28
82°
71°
29
82°
72°
30
83°
72°
1
82°
71°
2
82°
71°
3
83°
72°
4
83°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Sunnyside
Sunnyside's June 2026 forecast shows daily high temperatures ranging from 79° to 85°, with overnight lows between 68° and 72°. The average high for June is 82° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Sunnyside. See also: July | August | September.