S
M
T
W
T
F
S
28
91°
60°
29
91°
48°
30
90°
50°
1
90°
47°
2
94°
51°
3
95°
58°
4
93°
65°
5
94°
62°
6
96°
63°
7
97°
66°
8
96°
67°
9
95°
68°
10
96°
66°
11
99°
65°
12
100°
67°
13
98°
68°
14
97°
68°
15
97°
66°
16
95°
64°
17
94°
65°
18
91°
64°
19
92°
65°
20
92°
65°
21
95°
66°
22
96°
66°
23
96°
67°
24
95°
66°
25
93°
65°
26
94°
67°
27
95°
67°
28
93°
66°
29
93°
66°
30
92°
65°
31
94°
66°
1
92°
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 91° to 100°, with overnight lows between 58° and 68°. The average high for July is 95° with an average low of 65°. 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.
