S
M
T
W
T
F
S
26
77°
55°
27
83°
60°
28
84°
58°
29
86°
57°
30
78°
54°
31
80°
53°
1
77°
54°
2
77°
54°
3
78°
53°
4
77°
54°
5
77°
56°
6
78°
60°
7
76°
62°
8
81°
58°
9
80°
58°
10
83°
59°
11
82°
61°
12
79°
57°
13
85°
51°
14
76°
58°
15
78°
61°
16
79°
56°
17
77°
52°
18
76°
53°
19
75°
52°
20
77°
53°
21
75°
51°
22
75°
54°
23
76°
55°
24
78°
50°
25
73°
59°
26
73°
57°
27
79°
59°
28
73°
50°
29
74°
54°
30
76°
50°
31
75°
49°
1
72°
56°
2
72°
49°
3
73°
48°
4
71°
56°
5
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Clear Lake
Clear Lake's August 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 48° and 62°. The average high for August is 77° with an average low of 55°. 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 Clear Lake. See also: September | October | November.
