S
M
T
W
T
F
S
28
89°
80°
29
90°
81°
30
92°
79°
1
91°
78°
2
93°
75°
3
92°
75°
4
95°
75°
5
91°
71°
6
92°
73°
7
93°
75°
8
96°
74°
9
95°
75°
10
89°
71°
11
92°
74°
12
95°
74°
13
96°
72°
14
96°
75°
15
93°
71°
16
94°
70°
17
96°
76°
18
97°
76°
19
97°
77°
20
98°
78°
21
98°
77°
22
97°
77°
23
99°
78°
24
99°
78°
25
98°
77°
26
99°
78°
27
98°
78°
28
97°
77°
29
98°
76°
30
99°
77°
31
98°
76°
1
97°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Keystone Lake
Keystone Lake's July 2026 forecast shows daily high temperatures ranging from 89° to 99°, with overnight lows between 70° and 78°. The average high for July is 96° with an average low of 75°. 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 Lake. See also: August | September | October.
