S
M
T
W
T
F
S
28
76°
61°
29
75°
59°
30
73°
63°
1
74°
59°
2
78°
59°
3
82°
60°
4
82°
61°
5
84°
61°
6
83°
62°
7
84°
63°
8
83°
64°
9
84°
63°
10
82°
62°
11
85°
64°
12
87°
65°
13
90°
66°
14
92°
73°
15
86°
65°
16
87°
65°
17
87°
64°
18
87°
64°
19
86°
66°
20
88°
66°
21
88°
65°
22
86°
66°
23
87°
64°
24
85°
61°
25
83°
61°
26
83°
62°
27
85°
61°
28
86°
62°
29
87°
63°
30
88°
64°
31
89°
66°
1
88°
65°
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 74° to 92°, with overnight lows between 59° and 73°. The average high for July is 85° with an average low of 64°. 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.
