S
M
T
W
T
F
S
26
72°
50°
27
73°
49°
28
74°
51°
29
79°
57°
30
78°
51°
31
75°
50°
1
77°
50°
2
78°
55°
3
79°
53°
4
77°
51°
5
72°
48°
6
70°
49°
7
71°
55°
8
71°
54°
9
77°
52°
10
78°
57°
11
79°
56°
12
78°
54°
13
76°
50°
14
70°
48°
15
71°
48°
16
73°
49°
17
75°
50°
18
74°
56°
19
77°
55°
20
71°
49°
21
71°
47°
22
69°
52°
23
70°
53°
24
70°
54°
25
69°
49°
26
70°
47°
27
69°
45°
28
67°
44°
29
68°
46°
30
68°
46°
31
71°
49°
1
70°
49°
2
72°
50°
3
73°
52°
4
74°
53°
5
73°
52°
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 67° to 79°, with overnight lows between 44° and 57°. The average high for August is 73° with an average low of 51°. 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.
