S
M
T
W
T
F
S
26
71°
55°
27
71°
54°
28
68°
50°
29
71°
51°
30
72°
50°
31
68°
50°
1
67°
49°
2
69°
51°
3
68°
50°
4
66°
48°
5
65°
47°
6
65°
49°
7
66°
50°
8
66°
50°
9
68°
48°
10
65°
51°
11
64°
49°
12
66°
52°
13
69°
47°
14
65°
47°
15
66°
46°
16
67°
46°
17
65°
47°
18
67°
47°
19
69°
48°
20
67°
47°
21
68°
48°
22
64°
44°
23
66°
46°
24
68°
50°
25
63°
49°
26
62°
49°
27
63°
47°
28
67°
45°
29
67°
46°
30
68°
47°
31
67°
47°
1
66°
46°
2
65°
39°
3
65°
47°
4
63°
47°
5
63°
46°
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 62° to 72°, with overnight lows between 39° and 55°. The average high for August is 67° with an average low of 48°. 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.
