S
M
T
W
T
F
S
26
86°
64°
27
86°
62°
28
84°
61°
29
84°
61°
30
83°
59°
31
81°
59°
1
80°
60°
2
76°
61°
3
82°
61°
4
83°
60°
5
80°
60°
6
78°
59°
7
76°
56°
8
76°
59°
9
75°
56°
10
75°
61°
11
81°
61°
12
82°
57°
13
80°
55°
14
81°
60°
15
82°
58°
16
84°
51°
17
76°
50°
18
72°
49°
19
71°
49°
20
72°
50°
21
73°
50°
22
73°
51°
23
74°
51°
24
74°
58°
25
77°
55°
26
76°
50°
27
72°
50°
28
72°
51°
29
77°
56°
30
79°
57°
31
79°
48°
1
72°
47°
2
70°
50°
3
71°
55°
4
75°
50°
5
79°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Weyerhaeuser
Weyerhaeuser's August 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 45° and 64°. The average high for August is 78° with an average low of 55°. 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 Weyerhaeuser. See also: September | October | November.