S
M
T
W
T
F
S
26
93°
72°
27
97°
73°
28
85°
66°
29
88°
67°
30
88°
68°
31
75°
63°
1
85°
63°
2
84°
65°
3
85°
63°
4
78°
66°
5
77°
59°
6
81°
57°
7
82°
66°
8
82°
60°
9
81°
64°
10
85°
68°
11
81°
65°
12
85°
67°
13
79°
60°
14
77°
59°
15
73°
61°
16
75°
58°
17
74°
59°
18
77°
60°
19
76°
65°
20
81°
63°
21
80°
62°
22
76°
60°
23
78°
58°
24
79°
64°
25
78°
64°
26
81°
63°
27
81°
62°
28
80°
58°
29
74°
55°
30
72°
55°
31
72°
57°
1
73°
60°
2
75°
62°
3
78°
62°
4
78°
61°
5
79°
61°
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 72° to 85°, with overnight lows between 55° and 68°. The average high for August is 78° with an average low of 61°. 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.
