S
M
T
W
T
F
S
26
85°
65°
27
85°
65°
28
84°
66°
29
86°
64°
30
84°
65°
31
84°
64°
1
79°
61°
2
77°
59°
3
78°
61°
4
80°
64°
5
81°
63°
6
83°
63°
7
84°
62°
8
84°
64°
9
83°
64°
10
84°
63°
11
84°
64°
12
83°
64°
13
85°
65°
14
86°
61°
15
85°
62°
16
77°
63°
17
82°
60°
18
84°
60°
19
83°
55°
20
80°
53°
21
75°
53°
22
75°
54°
23
76°
55°
24
76°
53°
25
77°
57°
26
76°
57°
27
79°
54°
28
81°
53°
29
75°
53°
30
73°
52°
31
74°
52°
1
73°
53°
2
73°
52°
3
74°
52°
4
75°
51°
5
75°
52°
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 73° to 86°, with overnight lows between 51° and 66°. The average high for August is 80° with an average low of 59°. 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.
