S
M
T
W
T
F
S
28
80°
60°
29
81°
59°
30
75°
54°
1
76°
55°
2
77°
62°
3
78°
60°
4
78°
57°
5
77°
58°
6
80°
62°
7
84°
63°
8
85°
64°
9
85°
64°
10
86°
63°
11
84°
64°
12
85°
63°
13
82°
57°
14
79°
58°
15
84°
61°
16
84°
62°
17
78°
58°
18
78°
58°
19
82°
64°
20
78°
63°
21
78°
61°
22
79°
59°
23
78°
59°
24
79°
58°
25
79°
61°
26
82°
62°
27
80°
58°
28
78°
57°
29
80°
60°
30
82°
61°
31
82°
59°
1
83°
56°
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 75° to 86°, with overnight lows between 54° and 64°. The average high for July is 80° 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.
