S
M
T
W
T
F
S
26
73°
53°
27
76°
55°
28
76°
57°
29
72°
58°
30
72°
53°
31
76°
57°
1
75°
56°
2
77°
57°
3
79°
57°
4
78°
56°
5
78°
57°
6
80°
58°
7
80°
58°
8
79°
56°
9
71°
53°
10
70°
54°
11
71°
52°
12
70°
55°
13
71°
54°
14
71°
55°
15
72°
56°
16
71°
54°
17
71°
48°
18
72°
47°
19
75°
49°
20
77°
48°
21
78°
49°
22
77°
54°
23
79°
56°
24
78°
57°
25
78°
50°
26
74°
46°
27
68°
47°
28
69°
53°
29
72°
53°
30
67°
46°
31
68°
55°
1
73°
55°
2
77°
49°
3
78°
53°
4
76°
46°
5
68°
47°
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 67° to 80°, with overnight lows between 46° and 58°. The average high for August is 74° with an average low of 53°. 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.
