S
M
T
W
T
F
S
26
68°
53°
27
72°
49°
28
73°
48°
29
72°
53°
30
72°
49°
31
71°
50°
1
72°
46°
2
72°
50°
3
68°
48°
4
67°
48°
5
69°
51°
6
72°
48°
7
72°
52°
8
71°
47°
9
66°
48°
10
65°
47°
11
64°
46°
12
66°
46°
13
65°
47°
14
66°
47°
15
65°
47°
16
70°
49°
17
Hist. Avg.
64°
47°
18
Hist. Avg.
64°
47°
19
Hist. Avg.
63°
47°
20
Hist. Avg.
63°
46°
21
Hist. Avg.
63°
46°
22
Hist. Avg.
62°
46°
23
Hist. Avg.
62°
46°
24
Hist. Avg.
62°
46°
25
Hist. Avg.
62°
45°
26
Hist. Avg.
62°
45°
27
Hist. Avg.
61°
45°
28
Hist. Avg.
61°
44°
29
Hist. Avg.
61°
44°
30
Hist. Avg.
60°
44°
31
Hist. Avg.
60°
44°
1
Hist. Avg.
60°
44°
2
Hist. Avg.
59°
43°
3
Hist. Avg.
59°
43°
4
Hist. Avg.
59°
43°
5
Hist. Avg.
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Houston
Houston's August 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 46° and 53°. The average high for August is 69° with an average low of 49°. 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.