S
M
T
W
T
F
S
26
90°
75°
27
90°
74°
28
91°
75°
29
90°
75°
30
90°
74°
31
91°
75°
1
92°
74°
2
93°
75°
3
92°
75°
4
93°
74°
5
92°
75°
6
91°
75°
7
91°
74°
8
93°
75°
9
93°
75°
10
90°
74°
11
89°
75°
12
89°
75°
13
90°
74°
14
91°
75°
15
90°
75°
16
90°
74°
17
94°
73°
18
95°
74°
19
93°
73°
20
94°
72°
21
93°
71°
22
92°
72°
23
93°
72°
24
93°
73°
25
91°
72°
26
90°
73°
27
92°
70°
28
91°
70°
29
91°
71°
30
93°
70°
31
93°
71°
1
92°
71°
2
91°
72°
3
90°
72°
4
92°
73°
5
93°
72°
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 89° to 95°, with overnight lows between 70° and 75°. The average high for August is 92° with an average low of 73°. 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.
