S
M
T
W
T
F
S
28
83°
68°
29
91°
71°
30
93°
76°
1
95°
73°
2
95°
73°
3
89°
72°
4
88°
69°
5
87°
67°
6
84°
68°
7
82°
66°
8
84°
64°
9
82°
63°
10
83°
65°
11
83°
64°
12
84°
65°
13
84°
65°
14
83°
64°
15
79°
61°
16
79°
60°
17
78°
60°
18
79°
63°
19
81°
67°
20
80°
67°
21
83°
66°
22
83°
67°
23
85°
68°
24
85°
67°
25
86°
67°
26
86°
68°
27
85°
68°
28
86°
67°
29
87°
68°
30
86°
67°
31
86°
67°
1
79°
64°
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 78° to 95°, with overnight lows between 60° and 73°. The average high for July is 84° with an average low of 66°. 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.
