S
M
T
W
T
F
S
26
83°
64°
27
84°
64°
28
80°
59°
29
83°
57°
30
87°
57°
31
86°
63°
1
78°
68°
2
77°
61°
3
81°
59°
4
84°
58°
5
84°
61°
6
85°
64°
7
83°
68°
8
87°
64°
9
87°
69°
10
88°
69°
11
75°
66°
12
69°
61°
13
83°
62°
14
79°
68°
15
81°
63°
16
84°
73°
17
82°
62°
18
80°
62°
19
82°
65°
20
84°
61°
21
84°
62°
22
80°
59°
23
75°
52°
24
76°
52°
25
79°
56°
26
82°
62°
27
80°
60°
28
81°
58°
29
81°
62°
30
85°
65°
31
86°
66°
1
80°
58°
2
76°
56°
3
76°
58°
4
79°
59°
5
78°
58°
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 76° to 86°, with overnight lows between 56° and 66°. The average high for August is 80° with an average low of 60°. 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.
