S
M
T
W
T
F
S
26
93°
79°
27
95°
79°
28
94°
78°
29
96°
80°
30
96°
79°
31
95°
79°
1
92°
78°
2
95°
80°
3
96°
80°
4
96°
79°
5
95°
80°
6
96°
80°
7
96°
79°
8
95°
80°
9
96°
80°
10
96°
77°
11
96°
79°
12
95°
75°
13
93°
77°
14
98°
78°
15
93°
77°
16
93°
76°
17
94°
76°
18
94°
77°
19
93°
74°
20
91°
73°
21
91°
73°
22
92°
74°
23
92°
74°
24
91°
75°
25
92°
74°
26
92°
74°
27
93°
73°
28
93°
73°
29
92°
77°
30
95°
75°
31
96°
75°
1
93°
74°
2
94°
76°
3
91°
75°
4
92°
74°
5
90°
74°
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 90° to 98°, with overnight lows between 73° and 80°. The average high for August is 94° with an average low of 77°. 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.
