S
M
T
W
T
F
S
28
80°
60°
29
81°
63°
30
82°
62°
1
83°
61°
2
82°
58°
3
79°
62°
4
80°
59°
5
79°
58°
6
80°
62°
7
85°
64°
8
86°
64°
9
87°
63°
10
86°
64°
11
80°
64°
12
86°
63°
13
82°
59°
14
81°
58°
15
84°
64°
16
84°
64°
17
86°
63°
18
84°
59°
19
84°
64°
20
82°
64°
21
78°
63°
22
80°
64°
23
80°
62°
24
81°
61°
25
80°
59°
26
81°
61°
27
81°
60°
28
81°
58°
29
82°
63°
30
83°
64°
31
81°
58°
1
81°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sun Valley
Sun Valley's July 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 58° and 64°. The average high for July is 82° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Sun Valley. See also: August | September | October.
