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