S
M
T
W
T
F
S
26
82°
65°
27
81°
65°
28
82°
64°
29
82°
65°
30
84°
64°
31
79°
63°
1
77°
59°
2
77°
59°
3
78°
62°
4
79°
62°
5
81°
63°
6
84°
65°
7
85°
65°
8
85°
64°
9
84°
64°
10
84°
63°
11
83°
63°
12
85°
64°
13
85°
65°
14
86°
58°
15
79°
61°
16
81°
57°
17
77°
56°
18
80°
54°
19
79°
51°
20
76°
50°
21
75°
52°
22
75°
52°
23
76°
51°
24
77°
57°
25
79°
55°
26
83°
60°
27
83°
58°
28
85°
51°
29
78°
50°
30
74°
51°
31
73°
51°
1
73°
49°
2
74°
49°
3
74°
52°
4
78°
56°
5
75°
56°
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 49° and 65°. The average high for August is 80° with an average low of 58°. 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.
