S
M
T
W
T
F
S
28
64°
57°
29
66°
58°
30
62°
57°
1
68°
51°
2
63°
54°
3
71°
54°
4
71°
50°
5
77°
53°
6
81°
53°
7
79°
54°
8
80°
53°
9
78°
52°
10
77°
54°
11
78°
56°
12
81°
55°
13
85°
58°
14
76°
54°
15
75°
58°
16
74°
57°
17
71°
54°
18
74°
56°
19
77°
57°
20
77°
56°
21
76°
58°
22
75°
57°
23
76°
58°
24
72°
58°
25
73°
57°
26
76°
58°
27
76°
58°
28
78°
57°
29
76°
57°
30
79°
58°
31
81°
58°
1
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Cultus Lake
Cultus Lake's July 2026 forecast shows daily high temperatures ranging from 63° to 85°, with overnight lows between 50° and 58°. The average high for July is 76° with an average low of 56°. 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 Cultus Lake. See also: August | September | October.