S
M
T
W
T
F
S
28
79°
57°
29
81°
60°
30
85°
64°
1
84°
62°
2
80°
60°
3
82°
61°
4
79°
58°
5
78°
57°
6
76°
56°
7
78°
57°
8
80°
58°
9
81°
62°
10
78°
61°
11
79°
60°
12
81°
64°
13
85°
63°
14
82°
61°
15
82°
63°
16
79°
61°
17
80°
60°
18
80°
60°
19
79°
59°
20
82°
62°
21
84°
64°
22
83°
63°
23
80°
60°
24
80°
63°
25
82°
62°
26
85°
64°
27
86°
64°
28
85°
63°
29
82°
64°
30
81°
63°
31
86°
65°
1
86°
65°
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 56° and 65°. 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.
