S
M
T
W
T
F
S
31
77°
45°
1
80°
54°
2
76°
54°
3
82°
54°
4
90°
61°
5
94°
64°
6
89°
64°
7
86°
65°
8
84°
64°
9
82°
65°
10
79°
64°
11
85°
64°
12
83°
62°
13
80°
63°
14
81°
61°
15
80°
58°
16
72°
58°
17
73°
59°
18
75°
60°
19
76°
60°
20
78°
63°
21
78°
64°
22
76°
65°
23
77°
66°
24
78°
65°
25
78°
62°
26
79°
65°
27
83°
66°
28
84°
67°
29
79°
63°
30
78°
62°
1
78°
62°
2
79°
65°
3
81°
68°
4
85°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Sun Valley
Sun Valley's June 2026 forecast shows daily high temperatures ranging from 72° to 94°, with overnight lows between 54° and 68°. The average high for June is 81° with an average low of 63°. 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 Sun Valley. See also: July | August | September.
