S
M
T
W
T
F
S
26
79°
58°
27
84°
62°
28
81°
67°
29
77°
63°
30
80°
55°
31
83°
53°
1
83°
68°
2
78°
67°
3
81°
66°
4
83°
67°
5
82°
67°
6
85°
66°
7
86°
66°
8
82°
65°
9
84°
64°
10
81°
62°
11
82°
62°
12
78°
61°
13
80°
58°
14
79°
61°
15
78°
57°
16
77°
56°
17
86°
64°
18
85°
63°
19
84°
64°
20
84°
62°
21
82°
59°
22
84°
63°
23
86°
64°
24
86°
64°
25
84°
63°
26
84°
64°
27
83°
64°
28
84°
63°
29
82°
63°
30
81°
62°
31
82°
62°
1
84°
59°
2
76°
54°
3
75°
54°
4
75°
55°
5
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Houston
Houston's August 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 54° and 68°. The average high for August is 82° with an average low of 62°. 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 Houston. See also: September | October | November.
