S
M
T
W
T
F
S
26
88°
63°
27
89°
64°
28
90°
66°
29
90°
69°
30
89°
69°
31
91°
70°
1
91°
70°
2
90°
69°
3
91°
65°
4
88°
62°
5
84°
61°
6
83°
63°
7
84°
64°
8
83°
63°
9
82°
62°
10
83°
63°
11
86°
65°
12
86°
68°
13
88°
67°
14
90°
68°
15
89°
68°
16
88°
67°
17
87°
64°
18
85°
61°
19
83°
61°
20
84°
62°
21
87°
66°
22
89°
68°
23
88°
67°
24
88°
68°
25
89°
67°
26
90°
67°
27
85°
66°
28
82°
67°
29
86°
67°
30
Hist. Avg.
86°
63°
31
Hist. Avg.
86°
63°
1
Hist. Avg.
86°
62°
2
Hist. Avg.
85°
62°
3
Hist. Avg.
85°
62°
4
Hist. Avg.
85°
62°
5
Hist. Avg.
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Houston
Houston's August 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 61° and 70°. The average high for August is 87° with an average low of 66°. 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.
