S
M
T
W
T
F
S
26
91°
78°
27
92°
78°
28
91°
77°
29
93°
78°
30
93°
78°
31
92°
77°
1
91°
78°
2
92°
78°
3
94°
77°
4
93°
77°
5
94°
76°
6
91°
78°
7
93°
76°
8
92°
75°
9
91°
76°
10
94°
77°
11
95°
76°
12
92°
75°
13
93°
75°
14
94°
76°
15
92°
76°
16
91°
75°
17
94°
75°
18
94°
74°
19
92°
75°
20
91°
76°
21
90°
76°
22
91°
75°
23
90°
74°
24
90°
74°
25
91°
75°
26
93°
75°
27
94°
74°
28
93°
74°
29
94°
73°
30
90°
74°
31
89°
73°
1
90°
74°
2
89°
71°
3
89°
70°
4
88°
70°
5
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Westlake
Westlake's August 2026 forecast shows daily high temperatures ranging from 88° to 95°, with overnight lows between 70° and 78°. The average high for August is 92° with an average low of 75°. 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 Westlake. See also: September | October | November.
