S
M
T
W
T
F
S
26
95°
81°
27
97°
78°
28
98°
78°
29
96°
79°
30
98°
80°
31
98°
81°
1
98°
80°
2
96°
79°
3
93°
78°
4
91°
77°
5
93°
80°
6
94°
78°
7
94°
79°
8
93°
78°
9
95°
77°
10
96°
79°
11
96°
80°
12
95°
80°
13
96°
79°
14
96°
80°
15
95°
80°
16
96°
79°
17
96°
79°
18
95°
78°
19
96°
79°
20
96°
79°
21
95°
78°
22
94°
78°
23
95°
79°
24
95°
79°
25
96°
78°
26
96°
78°
27
95°
79°
28
92°
78°
29
89°
76°
30
87°
77°
31
89°
78°
1
90°
77°
2
91°
77°
3
91°
76°
4
92°
77°
5
90°
76°
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 87° to 98°, with overnight lows between 76° and 81°. The average high for August is 94° with an average low of 78°. 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.
