S
M
T
W
T
F
S
26
92°
78°
27
94°
78°
28
93°
77°
29
94°
79°
30
94°
78°
31
93°
78°
1
91°
77°
2
94°
79°
3
95°
79°
4
95°
78°
5
94°
79°
6
95°
79°
7
94°
78°
8
95°
79°
9
94°
79°
10
94°
76°
11
94°
78°
12
93°
75°
13
91°
76°
14
96°
77°
15
91°
76°
16
91°
75°
17
92°
75°
18
92°
76°
19
91°
74°
20
90°
73°
21
89°
73°
22
89°
74°
23
90°
74°
24
90°
75°
25
91°
74°
26
90°
73°
27
90°
73°
28
91°
74°
29
91°
77°
30
93°
75°
31
94°
75°
1
91°
74°
2
92°
76°
3
89°
75°
4
90°
74°
5
89°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Houston Airport
Houston Airport's August 2026 forecast shows daily high temperatures ranging from 89° to 96°, with overnight lows between 73° and 79°. The average high for August is 92° with an average low of 76°. 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 Airport. See also: September | October | November.
