S
M
T
W
T
F
S
26
90°
72°
27
91°
74°
28
85°
68°
29
86°
65°
30
81°
62°
31
71°
62°
1
81°
62°
2
82°
58°
3
83°
58°
4
71°
61°
5
74°
55°
6
79°
51°
7
78°
60°
8
79°
53°
9
84°
64°
10
83°
66°
11
85°
71°
12
84°
68°
13
76°
66°
14
73°
66°
15
79°
70°
16
78°
61°
17
80°
56°
18
83°
63°
19
79°
57°
20
82°
52°
21
82°
62°
22
79°
55°
23
78°
49°
24
79°
55°
25
79°
61°
26
79°
54°
27
80°
49°
28
82°
62°
29
81°
66°
30
87°
65°
31
87°
60°
1
82°
61°
2
82°
63°
3
84°
62°
4
82°
58°
5
77°
60°
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 77° to 87°, with overnight lows between 49° and 66°. The average high for August is 82° with an average low of 60°. 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.
