S
M
T
W
T
F
S
28
75°
48°
29
70°
54°
30
78°
49°
1
80°
51°
2
82°
52°
3
78°
50°
4
78°
50°
5
87°
52°
6
90°
60°
7
86°
58°
8
75°
57°
9
72°
57°
10
84°
62°
11
94°
64°
12
99°
67°
13
95°
59°
14
90°
60°
15
93°
60°
16
91°
59°
17
89°
61°
18
91°
57°
19
83°
54°
20
88°
60°
21
86°
60°
22
87°
59°
23
86°
60°
24
87°
60°
25
86°
59°
26
86°
61°
27
88°
60°
28
87°
61°
29
86°
60°
30
87°
60°
31
88°
61°
1
87°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Keystone
Keystone's July 2026 forecast shows daily high temperatures ranging from 72° to 99°, with overnight lows between 54° and 67°. The average high for July is 87° with an average low of 60°. 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 Keystone. See also: August | September | October.
