S
M
T
W
T
F
S
26
82°
58°
27
80°
52°
28
81°
58°
29
82°
58°
30
83°
49°
31
80°
53°
1
80°
51°
2
77°
56°
3
80°
57°
4
84°
61°
5
83°
60°
6
84°
57°
7
84°
51°
8
83°
52°
9
82°
50°
10
82°
48°
11
73°
49°
12
73°
50°
13
76°
53°
14
81°
54°
15
82°
51°
16
82°
56°
17
81°
49°
18
80°
51°
19
79°
48°
20
76°
49°
21
73°
46°
22
72°
47°
23
71°
46°
24
72°
47°
25
71°
48°
26
71°
49°
27
72°
52°
28
69°
47°
29
70°
47°
30
71°
51°
31
71°
52°
1
72°
55°
2
75°
56°
3
80°
51°
4
80°
55°
5
77°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cultus Lake
Cultus Lake's August 2026 forecast shows daily high temperatures ranging from 69° to 84°, with overnight lows between 46° and 61°. The average high for August is 78° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Cultus Lake. See also: September | October | November.
