S
M
T
W
T
F
S
26
81°
54°
27
82°
57°
28
82°
55°
29
75°
52°
30
73°
50°
31
72°
49°
1
72°
53°
2
73°
49°
3
77°
52°
4
74°
50°
5
75°
50°
6
81°
55°
7
76°
53°
8
81°
54°
9
82°
56°
10
82°
56°
11
81°
55°
12
83°
57°
13
83°
56°
14
81°
56°
15
81°
55°
16
80°
56°
17
82°
56°
18
81°
55°
19
82°
57°
20
82°
56°
21
81°
56°
22
81°
55°
23
82°
56°
24
78°
47°
25
74°
54°
26
78°
55°
27
79°
56°
28
82°
55°
29
81°
51°
30
81°
55°
31
79°
54°
1
79°
50°
2
78°
50°
3
79°
47°
4
79°
47°
5
77°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Maple Valley
Maple Valley's August 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 45° and 57°. The average high for August is 79° with an average low of 53°. 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 Maple Valley. See also: September | October | November.
