S
M
T
W
T
F
S
28
57°
36°
29
63°
43°
30
66°
46°
1
75°
46°
2
79°
50°
3
82°
46°
4
88°
50°
5
88°
55°
6
84°
61°
7
88°
55°
8
88°
55°
9
88°
54°
10
90°
54°
11
91°
54°
12
95°
61°
13
90°
61°
14
82°
57°
15
87°
56°
16
89°
57°
17
89°
58°
18
88°
61°
19
85°
54°
20
84°
55°
21
83°
50°
22
84°
50°
23
85°
50°
24
81°
49°
25
81°
47°
26
79°
47°
27
82°
46°
28
84°
52°
29
85°
51°
30
85°
52°
31
83°
51°
1
75°
43°
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 75° to 89°, with overnight lows between 43° and 61°. The average high for July is 84° with an average low of 52°. 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.
