S
M
T
W
T
F
S
26
74°
57°
27
75°
58°
28
68°
55°
29
73°
58°
30
72°
57°
31
72°
57°
1
73°
58°
2
73°
58°
3
72°
56°
4
70°
56°
5
68°
57°
6
69°
57°
7
71°
55°
8
70°
53°
9
70°
57°
10
71°
57°
11
73°
56°
12
72°
57°
13
73°
58°
14
73°
58°
15
72°
57°
16
70°
57°
17
71°
56°
18
69°
54°
19
68°
57°
20
69°
55°
21
68°
52°
22
69°
57°
23
71°
57°
24
72°
56°
25
70°
56°
26
69°
55°
27
70°
53°
28
69°
52°
29
70°
49°
30
68°
51°
31
71°
52°
1
71°
54°
2
70°
55°
3
71°
54°
4
71°
55°
5
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Merley
Merley's August 2026 forecast shows daily high temperatures ranging from 68° to 75°, with overnight lows between 49° and 58°. The average high for August is 71° with an average low of 56°. 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 Merley. See also: September | October | November.