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