S
M
T
W
T
F
S
26
91°
72°
27
92°
66°
28
89°
66°
29
90°
68°
30
92°
72°
31
95°
73°
1
94°
72°
2
93°
73°
3
95°
67°
4
89°
67°
5
88°
66°
6
88°
66°
7
89°
67°
8
90°
69°
9
92°
72°
10
94°
72°
11
94°
71°
12
90°
72°
13
95°
72°
14
96°
66°
15
94°
66°
16
89°
67°
17
92°
67°
18
95°
69°
19
94°
65°
20
87°
64°
21
88°
66°
22
90°
68°
23
93°
70°
24
87°
69°
25
86°
71°
26
86°
71°
27
93°
70°
28
93°
70°
29
92°
69°
30
93°
64°
31
86°
67°
1
90°
68°
2
87°
69°
3
91°
68°
4
92°
69°
5
91°
68°
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 86° to 96°, with overnight lows between 64° and 73°. The average high for August is 91° with an average low of 69°. 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.
